1 Department of Psychiatry, Psychosomatics and Psychotherapy, kbo-Inn-Salzach Hospital, Gabersee 7, 83512, Wasserburg am Inn, Germany. peter.zwanzger@kbo.de.
2 Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany. peter.zwanzger@kbo.de.
3 Department of Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, Würzburg, Germany.
4 Department of Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium.
5 Department of Psychiatry, UZBrussel, Brussels, Belgium.