1. Department of Photonics, National Cheng Kung University, Tainan 701, Taiwan
2. Department of Applied Chemistry, National Pingtung University, Pingtung 900, Taiwan
3. Division of Urology, Department of Surgery, Taipei City Hospital, Taipei 100, Taiwan
4. Department of Urology, College of Medicine and Shu-Tien Urological Research Center, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
5. Department of Exercise and Health Sciences, University of Taipei, Taipei 111, Taiwan