1. Gynaecology, Guy's Hospital, London, UK
2. Department of Women´s and Children´s Health, Karolinska Institutet and WHO-centre, Karolinska University Hospital, Stockholm, Sweden
3. Salud y Medicina de la Mujer, Instituto Palacios, Madrid, Spain
4. Frankfurt Hormone and Fertility Center & Goethe University of Frankfurt, Frankfurt, Germany
5. Department of Medical and Surgical Sciences for Mother, Child and Adult, Obstetrics and Gynecology Unit, university of Modena and Reggio Emilia; Azienda Ospedaliero Universitaria Policlinico, Modena, Italy
6. Exeltis HealthCare Madrid, Madrid, Spain
7. Exeltis Europe, Ismaning, Germany