1. Department of Gynecology and Obstetrics, University Hospital Ulm, Prittwitzstraße 43, 89075 Ulm, Germany
2. Department of Gynecology and Obstetrics, St. Joseph Hospital, University Medicine Berlin - Charité, 12203 Berlin, Germany
3. Department of Psychoneuroimmunology, University Medicine Berlin - Charité, 13353 Berlin, Germany
4. Department of Medicine, Brain Body Institute, McMaster University Hamilton, ON, Canada L8S 4L8