1. University Medical Center Freiburg, Freiburg, GERMANY
2. Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine University of Freiburg, Germany, Freiburg, GERMANY
3. Department of Psychology, Stockholm University, Sweden, Stockholm, SWEDEN
4. Department of Psychiatry, University of Pisa, Pisa, ITALY
5. Institute for Medical Biometry and Statistics, Medical Center - University of Freiburg, Faculty of Medicine University of Freiburg, Germany, Freiburg, GERMANY