Matthias Jung1, Dan Rujescu2. 1. Department of Psychiatry, Psychotherapy, and Psychosomatics, Martin-Luther-University Halle, Julius-Kühn-Str. 7, 06112, Halle, Germany. 2. Department of Psychiatry, Psychotherapy, and Psychosomatics, Martin-Luther-University Halle, Julius-Kühn-Str. 7, 06112, Halle, Germany. dan.rujescu@uk-halle.de.