Jikei University - Jikei University Hospital, Japanese Red Cross Society, Jichi Medical University - Division of Hematology, Oita University - Department of Medical Oncology and Hematology, St Mary’s Hospital, Shōnan Atsugi Hospital, Shinko Hospital, University of Tokyo - The University of Tokyo Hospital, Chiba University - Chiba University Hospital, Juntendo University, Juntendo University - Juntendo University Hospital, Japanese Red Cross Society, Hirosaki University - Graduate School of Medicine, University of Tokyo - University of Tokyo Hospital, Jikei University - School of Medicine, Japanese Red Cross Society, Saga University, Kitasato University - School of Medicine, Tokyo Medical University, Toranomon Hospital, Japanese Red Cross Society, Nara Medical University and Saga University