University of Rochester Medical Center ZOBRAZIT VŠECHNA CENTRA ADRESA CENTRA 601 Elmwood Avenue, Box 695, Rochester, New York, 14642 Tel (+1)-585-273-3085 Principal Investigator Christopher Ritchlin BLÍZKÁ CENTRA Toronto Western Hospital, Rheumatology Toronto, Quebec 416-603-5800 ext 5753 VÍCE INFORMACÍ Altoona Center for Clinical Research – Research Duncansville, Pennsylvania (+1)-814-693-0330 VÍCE INFORMACÍ PA Regional Center for Arthritis & Osteoporosis Research Wyomissing, Pennsylvania (+1)-610-374-8133 VÍCE INFORMACÍ