1. Department of Experimental Psychology, Heinrich-Heine-University, Düsseldorf, Germany
2. Clinic for Gynecology and Obstetrics, Heinrich-Heine-University, Düsseldorf, Germany
3. Clinic for Gynecology and Obstetrics, HELIOS University Hospital Wuppertal, University Witten/Herdecke, Wuppertal, Germany
4. Clinic for Gynecology and Obstetrics, University Clinic Augsburg, Germany