Developing Core Outcome Sets (COS) and Core Outcome Measures Sets (COMS) in Cosmetic Gynecological Interventions: Protocol for a Development and Usability Study

Stergios K Doumouchtsis   ^{1, 2, 3, 4, 5, 6} , MSci, MPH, PhD ;   Vivek Nama   ^{6, 7} , MBBS, MD, DNB, MRes ;   Gabriele Falconi   ^{6, 8} , PhD, MD ;   Maria Patricia Rada   ^{6, 9} , MD ;   Jittima Manonai   ^{6, 10} , MHM, MD ;   George Iancu   ^{6, 11} , PhD, MD ;   Jorge Milhem Haddad   ^{6, 12} , MD ;   Cornelia Betschart   ^{6, 13} , PD, Dr med

¹ Department of Obstetrics and Gynecology, Epsom & St Helier University Hospital NHS Trust, London, United Kingdom

² Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens, Greece

³ Institute of Medical and Biomedical Education, St George's University of London, London, United Kingdom

⁴ School of Medicine, American University of the Caribbean, Coral Gables, FL, United States

⁵ School of Medicine, Ross University, Miramar, FL, United States

⁶ CHORUS: An International Collaboration for Harmonising Outcomes, Research and Standards in Urogynaecology and Women’s Health, Epsom, United Kingdom

⁷ Department of Obstetrics and Gynecology, Croydon University Hospital, London, United Kingdom

⁸ Department of Surgical Sciences, Complex Operative Unit of Gynecology, Fondazione PTV Policlinico Tor Vergata, University Hospital, Rome, Italy

⁹ Department of Obstetrics and Gynecology, Universitatea de Medicina si Farmacie Iuliu Hatieganu din Cluj-Napoca, Cluj-Napoca, Romania

¹⁰ Department of Obstetrics and Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

¹¹ Department of Obstetrics and Gynecology, Universitatea de Medicina si Farmacie Carol Davila din Bucuresti, Bukarest, Romania

¹² Urogynecology Division, Department of Obstetrics and Gynecology, Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo, Sao Paulo, Brazil

¹³ Department of Gynecology, University Hospital Zurich, University of Zurich, Zurich, Switzerland