A Study of Decreased Dose Frequency in Participants With Systemic Juvenile Arthritis Who Experience Laboratory Abnormalities During Treatment With RoActemra/Actemra (Tocilizumab)

Hospital Gral de Niños Pedro Elizalde, Buenos Aires

Hospital Dr. Humberto Notti, Mendoza

Charité Campus; Virchow Klinikum Berlin, Berlin

Unidad de Reumatologia Rehabilitacion Integral; Centro Medico Del Angel, Mexicali

Hospital Ramon y Cajal ; Servicio de Reumatologia, Madrid

Hospital de La Paz; Unidad de Reumatologia Pediatrica, Madrid

Univ. Di Padova - Dip. Di Pediatria - Unita' Reumatol. Pediatrica, Padua

Asklepios Klinik; Zentrum für Allgemeine Pädiatrie und Neonatologie, Sankt Augustin

Children's Hospital Los Angeles; Division of Rheumatoogy, Los Angeles

SI Sceintific children health center RAMS, Moscow

Saint-Petersburg State; Pediatrics Medical Academy, Saint Petersburg

Rambam Medicl Center, Ruth Children Hospital, Haifa

Meir Medical center, Pediatrics, Kfar Saba

Schneider Children's Medical Center of Israel, Petah Tikva

Cincinnati Children'S Hospital Medical Center; Division of Rheumatology, Cincinnati

Alberta Children'S Hospital, Calgary

Irccs Ospedale Pediatrico Bambin Gesu - Dip. Di Medicina, Rome

Hospital Sant Joan De Deu; Servicio de Reumatologia Pediatrica, Barcelona

Royal Liverpool Childrens Hospital; Rheumatology, Liverpool