Department of Medicine and Bioregulatory Science, Kyushu University, Japan

Department of Hematology, Yamanashi Prefectural Central Hospital, Japan

Department of Hepatology, Nanpuh Hospital, Japan

Department of Hematology, Chugoku Central Hospital, Japan

Furukawa Medical Clinic, Japan

Department of Hematology, National Hospital Organization Kagoshima Medical Center, Japan

Department of Dialysis and Neurology, Ijinkai Takeda General Hospital, Japan

Okamoto Clinic, Japan

Kikuma Clinic, Japan

Department of Hematology, National Hospital Organization Kokura Medical Center, Japan

Department of Internal Medicine, Matsuyama Red Cross Hospital, Japan

Department of Hematology, Matsunami General Hospital and Gifu University Hospital, Japan

Division of Pediatrics, Graduate School of Medical Science, Kumamoto University, Japan