1. Department of Obstetrics and Gynecology, Inselspital, University of Bern, Bern, Switzerland
2. Swiss Paraplegic Research, Nottwil, Switzerland
3. Faculty of Medicine, University of Berne, Basel, Switzerland
4. Department of Obstetrics and Gynecology, University of Basel, Basel, Switzerland
5. Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
6. Fertisuisse, Zentrum für Kinderwunschbehandlung, Frauen- und Männermedizin, Olten, Switzerland
7. Department of Obstetrics and Gynecology, Hirslanden Klinik St. Anna, Luzern, Switzerland
8. Private business, Frankfurt am Main, Germany