1. Urogynecology and Pelvic Floor Unit, Department of Obstetrics and Gynecology; Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona; Barcelona Spain
2. General Surgery Research Group. Gynecology, Pediatric Diseases and Experimental Surgery Area. Vall d'Hebron Research Institute; Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona; Barcelona Spain
3. Department of Gynecology; Hospital San José; Santiago Chile
4. Department of Gynecology; Clínica Alemana; Santiago Chile