1. Haemophilia Comprehensive Care Centre, Faculty of Health Sciences University of the Witwatersrand and NHLS Johannesburg South Africa
2. Department of Experimental Haematology and Transfusion Medicine University Clinic Bonn Bonn Germany
3. Children's Hospital of Michigan Detroit Michigan
4. Department of Pediatrics Nara Medical University Kashihara, Nara Japan
5. Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico Milan Italy
6. Genentech, Inc. South San Francisco California
7. Oregon Health & Science University Portland Oregon
8. Haematology Department Hospital Mexico San Jose Costa Rica
9. Institute of Hematology and Blood Diseases Hospital Chinese Academy of Medical Sciences Tianjin China
10. F. Hoffmann‐La Roche Ltd Basel Switzerland
11. Bloodworks Northwest Seattle Washington
12. University Medical Centre Hamburg‐Eppendorf Hamburg Germany