1. Department of Blood Coagulation Ogikubo Hospital Tokyo Japan
2. Department of Transfusion Medicine Nagoya University Hospital Aichi Japan
3. Department of Joint Surgery IMSUT Hospital, The Institute of Medical Science, The University of Tokyo Tokyo Japan
4. Division of Blood Transfusion Hiroshima University hospital Hiroshima Japan
5. Department of Laboratory Medicine Tokyo Medical University Tokyo Japan
6. Division of Hematology, Department of Internal Medicine Hyogo College of Medicine Hyogo Japan
7. Department of Clinical Laboratory Nagoya University Hospital Aichi Japan
8. Center for Translational Research The Institute of Medical Science Hospital, The University of Tokyo Tokyo Japan
9. Department of Molecular Genetics of Coagulation Disorders Tokyo Medical University Tokyo Japan