Purpura, Thrombocytopenic, Idiopathic

• Pacific Cancer Medical Center, Inc — Anaheim, California, United States
• Comprehensive Blood and Cancer Center — Bakersfield, California, United States
• Davis, Posteraro and Wasser, MDs, LLP — Manchester, Connecticut, United States
• Florida Cancer Institute — New Port Richey, Florida, United States

• CHU de Besançon — Besançon, France
• CHU de Dijon — Dijon, France
• CHU de METZ — Metz, France

• Pacific Cancer Medical Center, Inc — Anaheim, California, United States
• Comprehensive Blood and Cancer Center — Bakersfield, California, United States
• Bay Area Cancer Research Group, LLC — Concord, California, United States
• Pacific Coast Hematology/Oncology Medical Group Inc. — Fountain Valley, California, United States

• Adelaide, Australia
• Bedford Park, Australia
• Antwerp, Belgium
• Plovdiv, Bulgaria

• GSK Investigational Site — Overland Park, Kansas, United States

• Henri Mondor Hospital — Créteil, France

• Beijing Hospital, Ministry of Health — Beijing, Beijing Municipality, China
• Peking University People's Hospital, Peking University Insititute of Hematology — Beijing, Beijing Municipality, China
• Beijing Tongren Hospital — Beijing, Beijing Municipality, China
• PLA Navy General Hospital — Beijing, Beijing Municipality, China

• Qilu hospital, Shandong University — Jinan, Shandong, China

• Phoenix Children's Hospital — Phoenix, Arizona, United States
• Scottsdale Medical Specialists — Scottsdale, Arizona, United States
• Arizona Oncology Associates — Tucson, Arizona, United States
• Scripps Cancer Center — La Jolla, California, United States

Not specified