1 Department of Clinical Oncology and Chemotherapy, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan. Electronic address: bishalg@med.nagoya-u.ac.jp.
2 Clinical Haematology and Bone Marrow Transplant Unit, Civil Service Hospital, Kathmandu, Nepal.
3 Department of Clinical Oncology and Chemotherapy, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.