2 Chelsea and Westminster Hospital NHS Foundation Trust.
3 University of Miami Miller School of Medicine, Miami, Florida.
4 Philippines, University of the Philippines Manila College of Medicine and the Philippine General Hospital.
5 Argentina, Hospital Italiano Buenos Aires.
6 Argentina, Dept OB and GYN CEMIC Buenos Aires.
7 Department of Obstetrics and Gynaecology, Cambridge University Hospitals, Cambridge, United Kingdom.
8 University of Melbourne Royal Womens Hospital, Royal Children's Hospital, Melbourne, Australia.
9 Norther Macedonia, University Clinic for Obstetrics and Gynecology, Medical Faculty, University SsCyril and Metoodius.
10 President of the Federation Internationale de Gynecologie Infantile et Juvenile (FIGIJ), Buenos Aires, Argentina.
11 Head, Center for Adolescent Medicine, Cleveland Clinic Children's Hospital, Professor of Pediatrics, Cleveland Clinic Lerner College of Medicine at Case, 9500 Euclid Avenue, R3, Cleveland, OH, 44195. Electronic address: [email protected].