Safety, Tolerability and Effectiveness of Natalizumab in Adolescents With Active Crohn's Disease

University of Rochester, Rochester

Hershey Medical Center, Hershey

Carolina Digestive Health Associates, Charlotte

Miami Research Associates, Miami

Medical College of Wisconsin, Milwaukee

Cedars-Sinai IBD Center, Los Angeles

Connecticut Children's Medical Center, Hartford

Johns Hopkins University School of Medicine, Baltimore

Mass General Hospital for Children, Pediatric GI & Nutrition, Boston

The Children's Hospital, Boston

Children's Hospital of Philadelphia, Philadelphia

Royal Hospital for Sick Children, Edinburgh

Royal Free Medical School, London