1. Center for Cellular & Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan.
2. Biopathological Science, Okayama University Graduate School of Medicine & Dentistry, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
3. Division of Hematology, Department of Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi 329–0498, Japan