1. CHU Lille, Haematology and Transfusion Lille France
2. Department of Paediatric Haematology and Oncology, Haemophilia Treatment Centre APHM Marseille France
3. Haemophilia Treatment Centre CHU Bordeaux Bordeaux France
4. Hospices Civils de Lyon – Reference Centre for Haemophilia and Haemorrhagic Constitutional Diseases Cardiologic Hospital Bron France