[1] Univ Hosp Leicester, Gynaecol Res Unit, Leicester, Leics, England
[2] Univ Basel Hosp, Dept Obstet & Gynecol, CH-4031 Basel, Switzerland
[3] Klin Psychiat & Psychotherapie, Aachen, Germany
[4] Univ Barcelona, Fac Med, Inst Clin Gynecol Obstet & Neonatol, Hosp Clin,IDIBAPS, Barcelona 7, Spain
[5] H San Raffaele Resnati, Ctr Gynecol & Med Sexol, Milan, Italy
[6] Free Univ Amsterdam, Med Ctr, Dept Obstet & Gynecol, Amsterdam, Netherlands
[7] Hop Xavier Bichat, Paris, France
[8] Robert Debre Hosp, Dept Obstet & Gynecol, Unit Psychosomat Gynecol, Paris, France
[9] Univ Pavia, IRCCS Maugeri Fdn, Res Ctr Reprod Med, I-27100 Pavia, Italy
[10] Ctr Gynecol Endocrinol & Reprod Med, Hamburg, Germany
[11] Inst Palacios Salud & Med Mujer, Madrid, Spain
[12] London PMS & Menopause Ctr, London, England
[13] Porterbrook Clin, Sheffield, S Yorkshire, England
[14] Univ Frauenklin, Klin Endokrinol & Reprod Med, Freiburg, Germany