1. Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
2. Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital, Taipei, Taiwan
3. Department of Obstetrics and Gynecology, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan
4. College of Medicine, Chang Gung University, Taoyuan, Taiwan
5. Department of Psychiatry, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan
6. School of Nursing, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
7. Department of Nursing, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan