Purpura

• 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

• Hôpital Antoine Béclère — Clamart, France

• 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

Not specified

Not specified