1. Department of Surgery, Pelvic Floor Disorders Center, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
2. Department of Colorectal Surgery, Spectrum Health and Michigan State University, Grand Rapids, Michigan
3. Medical University of South Carolina and East Cooper Medical Center, Mt. Pleasant, South Carolina
4. Section of Colorectal Surgery, University of Chicago Medicine, Chicago, Illinois
5. Department of Colorectal Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, Florida
6. Division of Colon and Rectal Surgery, Mount Sinai Hospital, New York, New York
7. Anorectal Physiology Department of Rio de Janeiro and Cepemed, Rio De Janeiro, Brazil
8. Division of Colorectal Surgery, University de Roma, Rome, Italy
9. Pelvic Health Center, Department of Surgery, Stanford University, Stanford, California