1. Department of Anatomy, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan 33302, Taiwan
2. Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan 33302, Taiwan
3. Department of Internal Medicine, Chang Gung Memorial Hospital-Linkou, Kwei-Shan, Tao-Yuan 33302, Taiwan
4. Department of Urology, Chang Gung Memorial Hospital-Linkou, Kwei-Shan, Tao-Yuan 33302, Taiwan
5. School of Nursing, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan 33302, Taiwan
6. Department of Urology, Shuang Ho Hospital, New Taipei City 235041, Taiwan
7. Department of Medicine, College of Medicine, Taipei Cancer Center, Taipei Medical University, Taipei 11031, Taiwan