1. Division of Urology, Buddhist Tzu-Chi General Hospital, Taipei Branch, Department of Urology, School of Medicine, Buddhist Tzu Chi University, Hualien, Taiwan
2. Microsurgical Potency Reconstruction and Research Center, Taipei, China Medical University, Taichung, Taiwan and Department of Urology National Taiwan University Hospital, College of Medicine, Taipei, Taiwan
3. Department of Family Medicine and Department of Medical Informatics, National Taiwan University and Hospital, Taipei, Taiwan
4. Discipline of General Practice, Sydney School of Medicine, University of Sydney, Australia
5. Microsurgical Potency Reconstruction and Research Center, Taipei, China Medical University, Taichung, Taiwan
6. Department of Urology National Taiwan University Hospital, College of Medicine, Taipei, Taiwan