[1] Taichung Vet Gen Hosp, Dept Surg, Div Urol, Taichung, Taiwan
[2] Chung Shan Med Univ, Inst Med, Taichung, Taiwan
[3] Hung Kuang Univ, Dept Med & Nursing, Taichung, Taiwan
[4] Tungs Taichung Metro Harbor Hosp, Taichung, Taiwan
[5] Natl Chi Nan Univ, Dept Appl Chem, Nantou, Taiwan
[6] China Med Univ Hosp, Dept Urol, Taichung, Taiwan
[7] Taichung Vet Gen Hosp, Dept Med Res, Taichung, Taiwan