1. Pharmacovigilance, Schaper & Brümmer GmbH & Co. KG, Salzgitter, Germany
2. Clinic Institute of Gynecology, Obstetrics and Neonatology, Faculty of Medicine, University of Barcelona, Hospital Clinic-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
3. Swiss Institute for New Concepts and Treatments, Richterswil, Switzerland
4. Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA
5. Department of Clinical and Experimental Endocrinology, Medical University of Gdańsk, Gdańsk, Poland
6. Hospital for True Naturopathy, Katholisches Klinikum Bochum, Blankenstein Hospital, Hattingen, Germany
7. Medical Service, Schaper & Brümmer GmbH & Co. KG, Salzgitter, Germany