1. Integrated Research and Treatment Center Adiposity Diseases, Behavioral Medicine Research Unit, Department of Psychosomatic Medicine and Psychotherapy University of Leipzig Medical Center Leipzig Germany
2. Department of Psychology, Clinical Psychology and Psychotherapy, Human Sciences University of Kassel Kassel Germany
3. Institute of Psychosocial Medicine, Psychotherapy and Psychooncology Jena University Hospital Jena Germany
4. Department of Psychosomatic Medicine and Psychotherapy University Medical Center Mainz Mainz Germany