1. Department of Dermatology, University Medical Center, Eberhard Karls University, Tuebingen, Germany
2. Internal Medicine VI Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Tübingen, Germany
3. Psychooncology Section, Comprehensive Cancer Center Tübingen-Stuttgart, University Hospital Tübingen, Tübingen, Germany
4. Center for Skin Diseases skin+more MVZ, Biberach a.d.R., Germany
5. Center for Rare Skin Diseases, Eberhard Karls University, Tuebingen, Germany