1. Department of Nursing, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan
2. Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and Tzu Chi University, 707, Section 3, Chung Yang Road, Hualien 97002, Taiwan
3. Voiding Dysfunction Therapeutic and Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan
4. Department of Urology, School of Medicine, Tzu Chi University, Hualien 97004, Taiwan