1. Division of Pediatric Hematology/Oncology, Department of PediatricsWeill Cornell Medicine New York New York
2. Department of MedicineMichael G. DeGroote School of Medicine, McMaster University, and McMaster Centre for Transfusion Research, Hamilton Health Sciences Hamilton Ontario Canada
3. Canadian Blood Services Hamilton Ontario Canada
4. Arizona Oncology Associates Tucson Arizona
5. Imperial College Healthcare NHS Trust, Hammersmith Hospital London United Kingdom
6. Fakultni nemocnice Brno Brno Czech Republic
7. Rigel Pharmaceuticals Inc. South San Francisco California