1. Bayer AG, Berlin, Germany;
2. Virtus Research Consultants, Wellington, Florida, USA;
3. Frauenarzt Zwickau, Zwickau, Germany;
4. Clinica Zuatzu, Gipuzkoa, Spain;
5. Dept of Clinical Sciences at Danderyd Hospital, Karolinska Institutet, Sweden;
6. Nesttun Spesialistpraksis AS, Nesttun, Norway;
7. Queens University, Kingston, Ontario, Canada;
8. Femicare VZW, Tienen, Belgium;
9. University Hospital Antwerp, Antwerp, Belgium