1. Department of Obstetrics and Gynecology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
2. Medical Affairs & Pharmacovigilance, Pharmaceuticals, Bayer AG, Berlin, Germany
3. Evidence Synthesis, Beacon Medical Communications, Brighton, UK
4. Pharmaceuticals, Medical Affairs Women’s Healthcare, Bayer AG, Basel, Switzerland
5. Department of Obstetrics and Gynecology, University Hospital, University of Basel, Basel, Switzerland