1. School of Nursing, University of North Carolina at Chapel Hill; Chapel Hill North Carolina
2. Department of Obstetrics and Gynecology, School of Medicine; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
3. School of Nursing; Xuzhou Medical University; Xuzhou China
4. Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
5. Division of Urology; Penn Center for Continence and Pelvic Health, University of Pennsylvania; Philadelphia Pennsylvania