A Study to Evaluate Pharmacokinetics and Safety of Tocilizumab (RoActemra/Actemra) in Participants Less Than 2 Years Old With Active Systemic Juvenile Idiopathic Arthritis (sJIA)

Semmelweis University; 2nd Department of Paediatrics, Budapest

Hospital Gral de Niños Pedro Elizalde, Buenos Aires

UZ Leuven Gasthuisberg, Leuven

UZ Gent, Ghent

Children's Hospital Of Pittsburgh, Pittsburgh

Klinik Bremen-Mitte; Prof. Hess-Kinderklinik, Bremen

University of Louisville Research Foundation, Inc; Kosair Charities Pediatric Clinical Research Unit, Louisville

Hospital Universitario la Fe: Servicio de Reumatologia Pediatrica, Valencia

The University of Chicago;Department of Pediatrics, Chicago

Children's Speciality Center of Nevada, Las Vegas

Children's National Medical Center; Pediatric Rheumatology, Washington D.C.

The Floating Hospital for Children at Tufts Medical Center, Boston

Children's Hospital Boston Pediatric Medicine, Boston

Hackensack University Medical Center; Pediatric Rheumatology, Hackensack

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

Alberta Children'S Hospital, Calgary

Hospital For Sick Children, Toronto

McGill University; Montreal Children's Hospital; Inflammatory, Autoimmune & Bone, Montreal

Uniwersytecki Szpital Kliniczny Nr 4 im. M. Konopnickiej; Oddz. Kardiolog. i Reumatolog. dla Dzieci, Lodz

Uniwersytecki Szpital Dzieciecy w Lublinie; Oddzial Pediatrii, Chorob Pluc i Reumatologii, Lublin