1. Division of Urology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan, Republic of China
2. Graduate Institution of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan, Republic of China
3. Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan, Republic of China
4. Department of Urology, National Taiwan University Hospital, Taipei, Taiwan, Republic of China
5. Department of International Business, College of Commerce and Management, Cheng Shiu University, Kaohsiung, Taiwan, Republic of China