Volume66•Number10 (Supplement)•October 2014 ABSTRACT SUPPLEMENT 2014 ACR/ARHP ANNUAL MEETING November 14–19, 2014 Boston, MA AMERICAN COLLEGE OF RHEUMATOLOGY ABSTRACT SUPPLEMENT AMERICAN COLLEGE OF RHEUMATOLOGY 78th Annual Meeting ASSOCIATION OF RHEUMATOLOGY HEALTH PROFESSIONALS 49th Annual Meeting November 14–19, 2014 Boston, MA Copyright© 2014 by the American College of Rheumatology, Atlanta, GA Thesupplementwasnotfinancedbyprofit-makingorganizationsorbyorganizationsrepresentingfor-profitinterests.Theeditorial and peer review processes were handled entirely by the American College of Rheumatology (ACR) according to its peer review processforabstractssubmittedforpresentationattheACRAnnualMeeting. About The Annual Meeting responsibilityfor,thedevelopment,management,pre- sentation or evaluation of the CME activity. Participation Statement This Annual Meeting is sponsored by the American Disclosure Policy CollegeofRheumatologyforeducationalpurposesonly. 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The following statement must be listed under each poster reprint: Reproducing ACR Abstracts and ACR Poster Presentations for Dissemination During the Poster reprinted from the ACR/ARHP Annual Meeting held November 14–19, 2014. The American College of Annual Meeting Rheumatology does not guarantee, warrant, or endorse Followingapproval(seeapprovalprocess),anexhibit- anycommercialproductsorservices.Reprintedby(insert ing organization may: name of supporting company). ● Disseminate copies of individual ACR abstracts For more 2014 ACR/ARHP Annual Meeting fromitsexhibitspace.Bookletsofabstracts(e.g.,two or more) may not be produced. information, please visit ACRannualmeeting.org. TABLE OF CONTENTS SUNDAY,NOVEMBER16,2014 Osteoporosis and Metabolic Bone Disease - Clinical Aspects and Pathogenesis: Clinical 8:30AM–4:00PM ACRPosterSessionA Osteoporosis: Treatment and Safety Posterpresenterswillbeavailablefrom9:00–11:00AM. (Abstracts #916-921).................................................... S406 (Abstracts #1-814)........................................................ S1 Pain: Basic and Clinical Aspects I (Abstracts #922-927).................................................... S409 11:00AM–12:30PM Pediatric Rheumatology - Clinical and ACRPlenarySessionI Therapeutic Aspects: Juvenile Idiopathic Arthritis Discovery 2014 (Abstracts #928-933).................................................... S412 (Abstracts #815-819).................................................... S357 Rheumatoid Arthritis - Animal Models I 2:30–4:00PM (Abstracts #934-939).................................................... S415 ACRConcurrentAbstractSessions Rheumatoid Arthritis - Clinical Aspects II: Remission Epidemiology and Public Health I: Drug and and De-escalation of Therapy Vaccine Safety (Abstracts #940-945).................................................... S418 (Abstracts #820-825).................................................... S360 Rheumatoid Arthritis - Small Molecules, Biologics and Metabolic and Crystal Arthropathies I: Clinical Aspects Gene Therapy II: Novel Therapies in Rheumatoid (Abstracts #826-831).................................................... S363 Arthritis - Early in Development Miscellaneous Rheumatic and Inflammatory Diseases (Abstracts #946-951).................................................... S420 (Abstracts #832-837).................................................... S366 Spondyloarthropathies and Psoriatic Arthritis II - Novel Rheumatoid Arthritis - Clinical Aspects: Treatments Psoriatic Arthritis Cardiovascular Disease Risk (Abstracts #952-957).................................................... S423 (Abstracts #838-843).................................................... S369 Systemic Lupus Erythematosus - Clinical Aspects and Rheumatoid Arthritis - Small Molecules, Biologics and Treatment: Lupus Nephritis Gene Therapy I: Safety of Biologics and Small (Abstracts #958-963).................................................... S426 Molecules in Rheumatoid Arthritis - Malignancy and SystemicSclerosis,FibrosingSyndromesandRaynaud’s- Infection Pathogenesis,AnimalModelsandGeneticsI (Abstracts #844-849).................................................... S372 (Abstracts #964-969).................................................... S429 Spondyloarthropathies and Psoriatic Arthritis I - Novel 4:30–6:00PM Treatments Axial Spondyloarthritis ACR/ARHPCombinedAbstractSession (Abstracts #850-855).................................................... S375 Epidemiology and Public Health Systemic Lupus Erythematosus - Animal Models (Abstracts #970-975).................................................... S432 (Abstracts #856-861).................................................... S378 ARHPConcurrentAbstractSession Systemic Lupus Erythematosus - Clinical Aspects and Osteoarthritis Treatment: Cardiovascular Disease and Pregnancy (Abstracts #976-981).................................................... S434 (Abstracts #862-867).................................................... S381 MONDAY,NOVEMBER17,2014 Systemic Lupus Erythematosus - Human Etiology and Pathogenesis I: Pathways of Inflammation/Injury 8:30AM–4:00PM ACR/ARHPPosterSessionB (Abstracts #868-873).................................................... S383 SystemicSclerosis,FibrosingSyndromesandRaynaud’s- Posterpresenterswillbeavailablefrom9:00–11:00AM. (Abstracts #982-1793).................................................. S437 ClinicalAspectsandTherapeuticsI:SystemicSclerosis, AdvancesinTherapy 11:00AM–12:30PM (Abstracts #874-879).................................................... S386 ACRPlenarySessionII Discovery 2014 Vasculitis I (Abstracts #1794-1799)................................................ S788 (Abstracts #880-885).................................................... S388 ARHPConcurrentAbstractSession 2:30–4:00PM ACRConcurrentAbstractSessions Exemplary Abstracts EpidemiologyandPublicHealthII:Osteoarthritis, (Abstracts #886-891).................................................... S392 SedentaryBehaviorandMore 4:30–6:00PM (Abstracts #1800-1805)................................................ S791 ACRConcurrentAbstractSessions Health Services Research: Improving Clinical Fibromyalgia, Soft Tissue Disorders, Regional and Practice Specific Clinical Pain Syndromes I: Research (Abstracts #1806-1811)................................................ S793 Perspectives Innate Immunity and Rheumatic Disease (Abstracts #892-897).................................................... S394 (Abstracts #1812-1817)................................................ S795 Health Services Research: Risk Assessment and Osteoarthritis - Clinical Aspects I: Imaging in Outcomes of Rheumatic Disease Osteoarthritis (Abstracts #898-903).................................................... S397 (Abstracts #1818-1823)................................................ S798 Imaging of Rheumatic Diseases: Ultrasound Pediatric Rheumatology - Clinical and (Abstracts #904-909).................................................... S400 Therapeutic Aspects: Pediatric Systemic Lupus Muscle Biology, Myositis and Myopathies Erythematosus (Abstracts #910-915).................................................... S403 (Abstracts #1824-1829)................................................ S800 Quality Measures and Quality of Care TUESDAY,NOVEMBER18,2014 (Abstracts #1830-1835)................................................ S803 8:30AM–4:00PM Rheumatoid Arthritis - Clinical Aspects III: ACR/ARHPPosterSessionC Malignancies, Vaccinations, Pregnancy and Posterpresenterswillbeavailablefrom9:00–11:00AM. Surgery (Abstracts #1938-2780)................................................ S854 (Abstracts #1836-1841)................................................ S806 11:00AM–12:30PM Rheumatoid Arthritis - Small Molecules, Biologics ACRPlenarySessionIII and Gene Therapy III: Innovative Therapeutic Discovery 2014 Strategies in Rheumatoid Arthritis (Abstracts #2781-2786)................................................ S1214 (Abstracts #1842-1847)................................................ S809 Spondyloarthropathies and Psoriatic Arthritis III - 2:30–4:00PM ACRConcurrentAbstractSessions Clinical Aspects Psoriatic Arthritis 2014 Rheumatology Research Foundation (Abstracts #1848-1853)................................................ S813 Edmond L. Dubois, MD Memorial Lectureship Systemic Lupus Erythematosus - Clinical Aspects (Abstracts #2787-2791)................................................ S1217 and Treatment: Complications of Systemic Lupus Biology and Pathology of Bone and Joint I: Bone Erythematosus Remodeling in Inflammation and Arthritis (Abstracts #1854-1859)................................................ S815 (Abstracts #2792-2797)................................................ S1219 Vasculitis II Cytokines, Mediators, Cell-cell Adhesion, Cell (Abstracts #1860-1865)................................................ S818 Trafficking and Angiogenesis I ACR/ARHPCombinedAbstractSession (Abstracts #2798-2803)................................................ S1222 Pediatric Rheumatology Miscellaneous Rheumatic and Inflammatory (Abstracts #1866-1871)................................................ S821 Diseases/Innate Immunity and Rheumatic 4:30–6:00PM Disease: Assessing Outcomes of Infections in ACRConcurrentAbstractSessions Rheumatic Disease Epidemiology and Public Health III: Gout and (Abstracts #2804-2809)................................................ S1224 Systemic Lupus Erythematosus Rheumatoid Arthritis - Clinical Aspects V: (Abstracts #1872-1877)................................................ S824 Mortality and Other Outcomes (Abstracts #2810-2815)................................................ S1226 Fibromyalgia, Soft Tissue Disorders, Regional and Rheumatoid Arthritis - Human Etiology and Specific Clinical Pain Syndromes II: Clinical Pathogenesis I: Mechanisms of Joint Damage Perspectives (Abstracts #2816-2820)................................................ S1229 (Abstracts #1878-1883)................................................ S826 Rheumatoid Arthritis - Small Molecules, Biologics Genetics, Genomics and Proteomics I: Epigenetic and Gene Therapy V: Novel Therapies in Mechanisms in Autoimmunity Rheumatoid Arthritis - Late in Development (Abstracts #1884-1889)................................................ S828 (Abstracts #2821-2826)................................................ S1231 ImagingofRheumaticDiseases:X-ray,MRIandCT Spondyloarthropathies and Psoriatic Arthritis IV - (Abstracts #1890-1895)................................................ S831 Clinical Aspects Axial Spondyloarthritis Pediatric Rheumatology - Pathogenesis and (Abstracts #2827-2832)................................................ S1235 Genetics Systemic Lupus Erythematosus - Clinical Aspects (Abstracts #1896-1901)................................................ S834 and Treatment: Novel Therapies for Systemic Rheumatoid Arthritis - Clinical Aspects IV: Lupus Erythematosus Promising Biomarkers (Abstracts #2833-2838)................................................ S1238 (Abstracts #1902-1907)................................................ S837 Systemic Lupus Erythematosus - Human Etiology Rheumatoid Arthritis - Small Molecules, Biologics and Pathogenesis II: Pathogenic Targets, Genetic and Gene Therapy IV: Safety of Biologics and Variants and Apoptosis Small Molecules in Rheumatoid Arthritis - (Abstracts #2839-2844)................................................ S1241 Cardiovascular and Other Systems T cell Biology and Targets in Autoimmune (Abstracts #1908-1913)................................................ S840 Disease Spondyloarthropathies and Psoriatic Arthritis - (Abstracts #2845-2850)................................................ S1243 Pathogenesis, Etiology: From Genes to Cytokines Vasculitis III (Abstracts #1914-1919)................................................ S843 (Abstracts #2851-2856)................................................ S1245 Systemic Lupus Erythematosus - Clinical Aspects ACR/ARHPCombinedAbstractSession and Treatment: Biomarkers in Systemic Lupus Rehabilitation Erythematosus (Abstracts #2857-2862)................................................ S1249 (Abstracts #1920-1925)................................................ S845 Systemic Sclerosis, Fibrosing Syndromes and 4:30–6:00PM ACRConcurrentAbstractSession Raynaud’s - Clinical Aspects and Therapeutics II: Antiphospholipid Syndrome Approaches to Cardiac and Vascular (Abstracts #2863-2868)................................................ S1251 Manifestations in Systemic Sclerosis BcellBiologyandTargetsinAutoimmuneDisease (Abstracts #1926-1931)................................................ S847 (Abstracts #2869-2874)................................................ S1254 ARHPConcurrentAbstractSession Cytokines, Mediators, Cell-cell Adhesion, Cell Health Disparities/Social Determinants of Health Trafficking and Angiogenesis II (Abstracts #1932-1937)................................................ S851 (Abstracts #2875-2880)................................................ S1256 Education (Abstracts #2947-2952)................................................ S1288 (Abstracts #2881-2886)................................................ S1258 Genetics, Genomics and Proteomics II: Genetics Epidemiology and Public Health IV: Rheumatoid of Autoimmunity Arthritis Pathogenesis (Abstracts #2953-2958)................................................ S1290 (Abstracts #2887-2892)................................................ S1261 Metabolic and Crystal Arthropathies II: Osteoarthritis - Clinical Aspects II: Osteoarthritis Mechanisms of Disease Risk Factors and Therapies (Abstracts #2959-2964)................................................ S1293 (Abstracts #2893-2898)................................................ S1264 Pain: Basic and Clinical Aspects II/Orthopedics, Pediatric Rheumatology - Clinical and Low Back Pain and Rehabilitation Therapeutic Aspects: Miscellaneous Pediatric (Abstracts #2965-2970)................................................ S1296 Rheumatic Diseases Rheumatoid Arthritis - Clinical Aspects VII: New (Abstracts #2899-2904)................................................ S1267 Aspects of Monitoring Disease Rheumatoid Arthritis - Animal Models II (Abstracts #2971-2976)................................................ S1298 (Abstracts #2905-2910)................................................ S1270 Sjögren’s Syndrome II: Insights into Rheumatoid Arthritis - Clinical Aspects VI: Pathophysiology Impact of Treatment and Other Interventions (Abstracts #2977-2982)................................................ S1301 (Abstracts #2911-2916)................................................ S1272 Rheumatoid Arthritis - Human Etiology and Spondyloarthropathies and Psoriatic Arthritis VI - Pathogenesis II: Citrullination, Autoantibodies Imaging and Biomarkers and Genes (Abstracts #2983-2988)................................................ S1304 (Abstracts #2917-2922)................................................ S1275 Systemic Lupus Erythematosus - Clinical Aspects Rheumatoid Arthritis - Small Molecules, Biologics and Treatment: Central Nervous System and and Gene Therapy VI: Biomarkers and Predictors Other Clinical Aspects of Rheumatoid Arthritis Disease Response and (Abstracts #2989-2994)................................................ S1306 Outcomes Systemic Sclerosis, Fibrosing Syndromes and (Abstracts #2923-2928)................................................ S1277 Raynaud’s - Clinical Aspects and Therapeutics III: Sjögren’s Syndrome I: Clinical Perspectives Updates in Predictors and Outcomes in Systemic (Abstracts #2929-2934)................................................ S1280 Sclerosis Spondyloarthropathies and Psoriatic Arthritis V - (Abstracts #2995-3000)................................................ S1309 Clinical Aspects and Treatment Systemic Sclerosis, Fibrosing Syndromes and (Abstracts #2935-2940)................................................ S1282 Raynaud’s - Pathogenesis, Animal Models and ARHPConcurrentAbstractSession Genetics II Epidemiology/Public Health (Abstracts #3001-3006)................................................ S1312 (Abstracts #2941-2946)................................................ S1285 ARHPConcurrentAbstractSession WEDNESDAY,NOVEMBER19,2014 Clinical Practice/Patient Care 9:00–10:30AM ACRConcurrentAbstractSessions (Abstracts #3007-3012)................................................ S1314 Biology and Pathology of Bone and Joint II: Innovations in Rheumatologic Care Cartilage Biology and Synovial Activation (Abstracts #3013-3018)................................................ S1317 Stay Connected During and After the Annual Meeting— Revisit Sessions from This Week! Revisit your favorite sessions, or some you may have missed, from this year’s Annual Meeting. Sessions that were presented this week are available to view today and even after the meeting. Extend your Annual Meeting experience with SessionSelect— on-demand education. 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Deadline for submissions is Friday, November 21, 2014 patientswiththrombocytopeniahasnotbeenfullyelucidated.Thepurposeof ACR Poster Session A thisstudyistoanalyzetheclinicalprofileofpatientswithprimaryAPSand AntiphospholipidSyndrome thrombocytopeniaandtoexaminetherelationbetweentheriskofthrombosis S Sunday,November16,2014,8:30AM–4:00PM andthrombocytopenia. un d Methods:Thisstudycomprisedof57consecutivepatientswithprimary a y APS and 72 autoimmune disease control patients (non-systemic lupus , 1 N erythematosus) who visited Hokkaido University Hospital Rheumatology o LymphocyteProliferationtoaCross-ReactiveGutCommensalCandi- ClinicbetweenJanuary2000andMay2014.Thrombocytopeniawasdefined ve date in Antiphospholipid Syndrome. William Ruff1, Silvio M. Vieira1, as a platelet count less than 100,000 per microliter, persistent on two mb CassyanneAguiar2,JohnSterpka1,AndrewGoodman3,DorukErkan2 and occasionsmorethan12weeksapartandwithoutnounderlyingcausesbesides e r MartinKriegel1. 1YaleSchoolofMedicine,NewHaven,CT,2NewYork aPL.PrimaryAPSpatientswereretrospectivelyfollowed-upfortheincidence 1 Presbyterian/WeillCornellMedicalCenter,NewYork,NY,3YaleSchoolof ofthrombosis.Kaplan-Meiersurvivalprobabilityestimatewasperformedto 6 Medicine,MicrobialDiversityInstitute,NewHaven,CT. analyzetheoccurrenceofthromboticeventsinprimaryAPSpatientswithand withoutthrombocytopenia. Background/Purpose: Antiphospholipid syndrome (APS) is an auto- Results:Themedianageofpatientswas41years(IQR32–50)inprimary immuneclottingdisorderofunknownetiologytargetingamajorautoantigen, APSpatientsand50years(IQR31–59)inthecontrolgroup.Thrombocyto- (cid:2)-glycoprotein I ((cid:2)GPI). Infectious triggers have been implicated in penia was more frequently diagnosed in patients with primary APS 17/ tra2nsient autoantibody2production, but the persistent stimuli for anti-(cid:2)GPI 57(30%)thaninthecontrolgroup4/72(6%),p(cid:3)0.001. 2 antibodies remain unknown. Given the vast antigenic potential of the gut InprimaryAPSgroup,arterialthrombosiswasdevelopedin9patients microbiota,wehypothesizethathumangutcommensalbacteriainduceand (16%) throughout the follow-up period (106 months [IQR 36–142]); 8 sustainautoreactivityviacross-reactivity.Tothisend,wecharacterizedAPS patientshadcerebralinfarctionsand1myocardialinfarction.Arterialthrom- PBMCreactivitytoinsilicocandidatesanddeterminedfecalautoantibody bosiswasmorefrequentlydevelopedinpatientswiththrombocytopeniathan production. in those without (6/17(35%) vs. 3/40(8%), p(cid:2)0.014), while no correlation Methods: Protein BLAST and Clustal Omega were used to identify wasfoundbetweenvenousthrombosisandthrombocytopenia.Therewasno commensal protein sequences with high homology to (cid:2)GPI-dominant statisticallysignificantdifferenceintherateofhemorrhagiceventbetween 2 epitopes.Usinganaerobiccultures,wegrewisolatedcandidateandcontrol APSpatientswithandwithoutthrombocytopenia(1/17(6%)vs.0/40(0%), strains. Blood and stool samples were obtained from anti-(cid:2)GPI-positive p(cid:2)0.298). Kaplan-Meier curve revealed that the inferior survival was 2 patients,non-autoimmunethrombophiliapatients,andhealthycontrols.Stool associatedwiththrombocytopenia(6/9(67%)vs11/48(23%),p(cid:2)0.047log- DNAwasisolatedusingtheMoBioextractionkit.Anovelspecies-specific ranktest:Figure1). real-timePCRstrategywasdevelopedandvalidatedusingisolatedstrainsand Conclusion:ThrombocytopeniainAPSpatientsrepresentsariskfactor definedfecalmicrobiomes.InvitroproliferationofPBMCtobacterialprotein forarterialthrombosisandnotforbleeding.Theriskofthrombosisassociated extractswasassessedby[3H]-thymidineincorporation.Anin-houseELISA withthrombocytopeniainprimaryAPSmustbecarefullyevaluatedand,if was established with high-binding plates to analyze anti-(cid:2)GPI levels in necessary,appropriateantithrombotictherapyadministered. 2 plasmaandfecalsupernatants. Results:SystematicinsilicosearchesrevealedRoseburiaintestinalisasa major candidate for cross-reactivity. R. intestinalis is a common colonic gram-positive, flagellated, mucus adhering commensal containing high ho- mology to the main B and T cell epitopes of (cid:2)GPI. R. intestinalis 2 colonizationloadwassemi-quantifiedinpatientsandcontrolsusingreal-time PCR.APSPBMCproliferatedsignificantlymoretoproteinextractsfromR. intestinalisversuscontrolsubjects(n(cid:2)5–6;p(cid:2)0.0002),andalsocomparedto the closely phylogenetically related, but mimic-deficient gut commensal Eubacterium rectale (n(cid:2)6, p(cid:2)0.020). Importantly, we were also able to detectanti-(cid:2)GPIIgAantibodiesinAPSfecalsupernatants,whichdiffered significantly2comparedtocontrols(n(cid:2)14–15;p(cid:2)0.0019). Conclusion: We have identified a major cross-reactive commensal candidate in silico with high homology to dominant (cid:2)GPI epitopes and 2 developed a highly specific real-time PCR-based screening strategy. APS PBMCs proliferated significantly more to candidate protein extracts com- paredtocontrols.Furthermore,wereport,toourknowledge,forthefirsttime fecalautoantibodyproductioninanon-gutautoimmunedisease.Production of fecal anti-(cid:2)GPI IgA in patients with peripheral blood anti-(cid:2)GPI IgG 2 2 supportsourhypothesisofagutmucosal,cross-reactivetriggerinAPS,which weareactivelypursuing. Disclosure:W.Ruff,None;S.M.Vieira,None;C.Aguiar,None;J.Sterpka,None; Disclosure:I.Nakagawa,None;K.Oku,None;O.Amengual,None;R.Hisada, A.Goodman,None;D.Erkan,None;M.Kriegel,None. None; E. Sugawara, None;K. Ohmura, None;T. Fukui, None;S. Shimamura, None;H.Shida,None;T.Watanabe,None;Y.Shimizu,None;M.Kono,None;T. 2 Kurita,None;T.Bohgaki,None;T.Horita,None;S.Yasuda,None;T.Atsumi, None. ThrombocytopeniainPrimaryAntiphospholipidSyndromeIsRelated to Arterial Thrombosis. Ikuma Nakagawa, Kenji Oku, Olga Amengual, 3 Ryo Hisada, Eri Sugawara, Kazumasa Ohmura, Tomoko Fukui, Sanae Shimamura, Haruki Shida, Toshiyuki Watanabe, Yuka Shimizu, Michihito Is There an Association Between Persistently High Positive Antiphos- Kono,TakashiKurita,ToshiyukiBohgaki,TetsuyaHorita,ShinsukeYasuda pholipid Antibody Profile and Organ Damage Accrual in Lupus Pa- and Tatsuya Atsumi. Hokkaido University Graduate School of Medicine, tients? DorukErkan1,LisaG.Criscione-Schreiber2,MariaDall’era3,Olga Sapporo,Japan. Dvorkina4,RussellGriffin5,GalinaMarder6,MaureenA.McMahon7,Jorge Sanchez-Guerrero8, Amit Saxena9 and Robert Roubey10. 1Hospital for Background/Purpose: Antiphospholipid-associated syndrome refers to Special Surgery, New York, NY, 2Duke University School of Medicine, organdysfunctionsdevelopedintheexistenceofantiphospholipidantibodies Durham,NC,3UniversityofCalifornia,SanFrancisco,SanFrancisco,CA, (aPL), apart from the typical manifestations of antiphospholipid syndrome 4SUNYHealthScienceCenteratBrooklyn,Brooklyn,NY,5Universityof (APS)suchasthromboembolismandpregnancymorbidities.Thrombocyto- AlabamaatBirmingham,Birmingham,AL,6NorthShoreLongIslandHealth peniaisoneoftheaPL-associatedmanifestationsandisreportedin20–40% System, Great Neck, NY, 7UCLA David Geffen School of Medicine, Los ofAPSpatients.PatientswiththrombocytopeniaandaPLareatriskofboth Angeles,CA,8UHNTorontoWesternHospital,Toronto,ON,9NewYork bleedingandthrombosis.Theevaluationofthecoagulationstatusinpatients University School of Medicine, New York, NY, 10University of North withthrombocytopeniaisparticularlydifficultandtheclinicalprofileofAPS CarolinaatChapelHill,ChapelHill,NC. 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