1. Hematology Clinic, University Hospital, Amiens, France
2. Leuco-platelet Immunology and Histocompatibility Laboratory, Etablissement Français du Sang Ile de France, Creteil, France
3. Neurology Department, University Hospital, Amiens, France
4. Leuco-platelet Immunology and Histocompatibility Laboratory, EFS Ile de France, Creteil, France