1. Department of Dermatology; Kurume University School of Medicine; Kurume Japan
2. Division of Hematology and Oncology; Department of Medicine; Kitakyushu General Hospital; Kitakyushu Japan
3. Department of Pathology; Kurume University School of Medicine; Kurume Japan
4. Division of Hematology and Oncology; Department of Medicine; Kurume University School of Medicine; Kurume Japan