| Rheumatology Assoc of North AL |
| Huntsville, Alabama, United States, 35801 |
| Southwest Kidney Inst PLC |
| Tempe, Arizona, United States, 85284 |
| University of Arkansas |
| Little Rock, Arkansas, United States, 72205 |
| Univ of Calif., Los Angeles |
| Los Angeles, California, United States, 90095 |
| San Leandro Hospital |
| San Leandro, California, United States, 94578 |
| Stanford Univ School of Med |
| Palo Alto, California, United States, 94304 |
| Boling Clinical Trials |
| Upland, California, United States, 91786 |
| Wallace Rheumatic Study Center |
| Los Angeles, California, United States, 90048 |
| Washington Hospital Center |
| Washington, District of Columbia, United States, 20010 |
| Arth & Rheumatism Disease Spec |
| Aventura, Florida, United States, 33180 |
| Arthritis & Sports Care Center |
| Panama City, Florida, United States, 32405 |
| Family Arthritis Center |
| Jupiter, Florida, United States, 33458 |
| University of Miami |
| Miami, Florida, United States, 33136 |
| Emory University |
| Atlanta, Georgia, United States, 30322 |
| University of Chicago |
| Chicago, Illinois, United States, 60637 |
| University of Kansas |
| Kansas City, Kansas, United States, 66160 |
| LA State Univ Dept of Medicine |
| Shreveport, Louisiana, United States, 71103 |
| Johns Hopkins University |
| Baltimore, Maryland, United States, 21205 |
| Brigham & Women's Hospital |
| Boston, Massachusetts, United States, 02115 |
| University of Michigan |
| Ann Arbor, Michigan, United States, 48109 |
| Mayo Clinic |
| Rochester, Minnesota, United States, 55905 |
| Washington University |
| Saint Louis, Missouri, United States, 63110 |
| Columbia Univ Medical Center |
| New York, New York, United States, 10032 |
| Hospital for Special Surgery |
| New York, New York, United States, 10021 |
| NS-LIJ Health System |
| Lake Success, New York, United States, 11042 |
| University of Rochester |
| Rochester, New York, United States, 14642 |
| Duke Univ Medical Center |
| Durham, North Carolina, United States, 27710 |
| Ohio State University |
| Columbus, Ohio, United States, 43210 |
| Healthcare Res Consultants |
| Tulsa, Oklahoma, United States, 74135 |
| Oklahoma Med Res Foundation |
| Oklahoma City, Oklahoma, United States, 73104 |
| Albert Einstein Medical Center |
| Philadelphia, Pennsylvania, United States, 19141 |
| Medical Univ of South Carolina |
| Charleston, South Carolina, United States, 29425 |
| Amarillo Ctr for Clin Res LTD |
| Amarillo, Texas, United States, 79124 |
| Arthritis & Osteoporosis Assoc |
| Lubbock, Texas, United States, 79424 |
| Southwest Rheumatology |
| Mesquite, Texas, United States, 75150 |
| Rheumatic Disease Clinic |
| Houston, Texas, United States, 77004 |
| San Antonio Kidney Disease Cen |
| San Antonio, Texas, United States, 78212 |
| Metroplex Clin Research Ctr |
| Dallas, Texas, United States, 75235 |
| Texas Tech University HSC |
| El Paso, Texas, United States, 79905 |
| Univ of Texas SW Medical Ctr |
| Dallas, Texas, United States, 75390 |
| Centro Medico Priv de Reum |
| San Miguel, Argentina, T4000AXL |
| Hosp Italiano de Buenos Aires |
| Captial Federal, Argentina, C1181ACH |
| Salisbury Invest Cl�nicas |
| Quilmes, Argentina, B1878DVB |
| Hospital Vicente L�pez |
| San Isidro, Argentina, B1602BPD |
| OMI |
| Ciudad Aut�noma, Argentina, C1015ABO |
| Hospital Privado C�rdoba |
| C�rdoba Pcia., Argentina, 5016 |
| Fundacao Pro Rim |
| Joinville, SC, Brazil, 89227-680 |
| HC-UFRGS |
| Porto Alegre, Brazil, 90035-003 |
| Hospital Peral de Goiania |
| Goiania, Brazil, 74110-120 |
| Hospital Sao Lucas/PURCRS |
| Porto Alegre, Brazil, 90470-340 |
| Unifesp-Rheumatology |
| Sao Paulo, Brazil, 04026-000 |
| Unicamp |
| Campinas, Brazil, 13083-888 |
| Unifesp � Nephrology |
| Sao Paulo, Brazil, 04039-020 |
| UFGO |
| Goiania, Brazil, 74605-050 |
| Hospital Heli�polis |
| Sao Paulo, SP, Brazil, 04230-000 |
| Univ Health Network-Toronto |
| Toronto, Ontario, Canada, M5G 2N |
| Ctro de Inv. del Noreste |
| Tijuana, Mexico, 22010 |
| Hosp Universitario de Saltillo |
| Saltillo, Mexico, 25000 |
| Und de Inv en Enf Cro Degen |
| Guadalajara, Mexico, 44620 |
| Inst. Nac. Salvador Zubiran |
| M�xico, Mexico, 14000 |
| Hospital Aranda de la Parra |
| Leon, Guanajuato, Mexico, CP 37000 |