1. Department of Obstetrics and Gynecology, School of Physical Therapy, and Department of Public Health, Chung Shan Medical University and Hospital, Taichung, Taiwan; Urodynamic Unit, Department of Obstetrics and Gynecology, Chung Shan Medical University and Hospital, Hospital 110, Section 1, Chien Kuo N. Road, Taichung, Taiwan 40201;
2. Department of Obstetrics and Gynecology, School of Physical Therapy, and Department of Public Health, Chung Shan Medical University and Hospital, Taichung, Taiwan