Purpura, Thrombocytopenic, Idiopathic

• GSK Investigational Site — Hanover, Lower Saxony, Germany
• GSK Investigational Site — Berlin, State of Berlin, Germany
• GSK Investigational Site — Moscow, Russia

• GSK Investigational Site — Bad Nauheim, Hesse, Germany
• GSK Investigational Site — Athens, Greece
• GSK Investigational Site — Athens, Greece
• GSK Investigational Site — Thessaloniki, Greece

• Hospital Universitario Dr. Jose E Gonzalez UANL — Monterrey, Nuevo León, Mexico

• Mid Florida Hematology & Oncology — Orange City, Florida, United States
• Rush University Medical Center — Chicago, Illinois, United States
• Center for Cancer & Blood Disorders — Bethesda, Maryland, United States
• New York Hospital / Cornell University, Division of Pediatrics — New York, United States

• Irmandade da Santa Casa de Misericordia se Sao Paulo — São Paulo, Brazil
• Centro de Hematologia de Sao Paulo — São Paulo, Brazil
• Federal University of Sao Paulo — São Paulo, Brazil
• Hospital Estadual Infantil Darcy Vargas — São Paulo, Brazil

Not specified

• UCLA, Mattel Children's Hospital — Los Angeles, California, United States
• Stanford University School of Medicine — Palo Alto, California, United States
• University of California, San Francisco — San Francisco, California, United States
• Emory University School of Medicine — Atlanta, Georgia, United States

• University of California, Los Angeles — Los Angeles, California, United States
• Emory University School of Medicine — Atlanta, Georgia, United States
• Children's Hospital — Boston, Massachusetts, United States

• Jiangsu Institute of Hematology — Suzhou, Jiangsu, China

• Jiangsu Institute of Hematology — Suzhou, Jiangsu, China