Ming-Che Ou1, Wen-Lee Hwang, Chieh-Lin Teng. 1. Division of Haematology/Oncology, Department of Medicine, Taichung Veterans General Hospital, Taichung, TaiwanDepartment of Life Science, Tunghai University, Taichung, Taiwan Department of Medicine, Chung Shan Medical University, Taichung, Taiwan. E-mail: drteng@vghtc.gov.tw.