1. Haemophilia Clinic and Haemostasis Program Division of Haematology/Oncology Department of Paediatrics Hospital for Sick Children University of Toronto Toronto Ontario Canada
2. Hemophilia Treatment Centre Aziza Othmana Hospital University Tunis El Manar Tunis Tunisia
3. Haemophilia Comprehensive Care Centre Haematology Centre Beijing Children's Hospital National Centre for Children's Health Capital Medical University Beijing China