1. Indiana Hemophilia and Thrombosis Center; Indianapolis IN USA
2. Division of Hematology/Oncology; Boston Children's Hospital; Boston MA USA
3. Department of Pediatrics, Hospital for Sick Children; Toronto Canada
4. Institute of Hematology and Blood Transfusion; Prague Czech Republic
5. Clinical Development and Medical Affairs - Biopharm, Novo Nordisk Inc.; Plainsboro NJ USA