1. Department of Psychosomatic Medicine and Psychotherapy; Tuebingen University Hospital; Tuebingen Germany
2. Comprehensive Cancer Centre; Tuebingen University Hospital; Tuebingen Germany
3. Department of Obstetrics and Gynaecology; Tuebingen University Hospital; Tuebingen Germany
4. Department of Obstetrics and Gynaecology; Heidelberg University Hospital; Heidelberg Germany