1. Institute of Medical Psychology and Medical Sociology, University Medicine Rostock, Rostock, Germany
2. Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
3. Department of Psychiatry & Psychotherapy, University Hospital Tuebingen, Tuebingen, Germany
4. LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany