1. Division of General Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan, R.O.C
2. Center for General Education, Cheng Shiu University, Kaohsiung, Taiwan, R.O.C
3. Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan, R.O.C
4. Division of Urology, Department of Surgery, Taichung Armed Forces General Hospital, Taichung, Taiwan, R.O.C
5. Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
6. National Defense Medical Center, Taipei, Taiwan, R.O.C