[1] Karolinska Inst, Stockholm, Sweden
[2] Gynaecol Ctr Dermout & Albicher, Alkmaar, Netherlands
[3] Bayer Oy, Espoo, Finland
[4] Bayer HealthCare, Newbury, Berks, England
[5] Bayer HealthCare, Whippany, NJ USA
[6] Sexual Hlth Clin, Vaestoliitto, Finland