1. Department of Medical Research, Cathay General Hospital, Taipei 10630, Taiwan, R.O.C.
2. School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C.
3. Division of Urology, Department of Surgery, Tri‑Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan, R.O.C.