1. Department of Gynecological Endocrinology and Fertility Disorders, University of Heidelberg, Heidelberg, Germany
2. Outpatient Practice Drs. Weinschenk, Scherer and Colleagues, Bahnhofplatz 8, 76137 Karlsruhe, Germany
3. Heidelberg University Neural Therapy Education and Research Group (The HUNTER Group), Heidelberg, Germany
4. Medical School, University of Heidelberg, Heidelberg, Germany
5. Institute of Educational Science, University of Tübingen, Tübingen, Germany
6. Department of Anesthesiology AMC Amsterdam, University of Amsterdam, Amsterdam, Netherlands