1 Division of General Surgery, Department of Surgery, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, Situn District, Taichung City, 407219, Taiwan, ROC.
2 Division of General Surgery, Department of Surgery, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, Situn District, Taichung City, 407219, Taiwan, ROC; Department of Urology, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, Situn District, Taichung City, 407219, Taiwan, ROC; School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei City, Taiwan, 110, Taiwan, ROC.
3 Division of General Surgery, Department of Surgery, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, Situn District, Taichung City, 407219, Taiwan, ROC; School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei City, Taiwan, 110, Taiwan, ROC. Electronic address: b101091110@tmu.edu.tw.