[1] Med Univ Graz MUG, Dept Psychiat & Psychotherapeut Med, Graz, Austria
[2] MUG, Dept Med Psychol & Psychotherapy, Graz, Austria
[3] Gruener Kreis Soc, Ctr Integrat Addict Res, Johnsdorf, Austria
[4] Karl Franzens Univ Graz, Inst Psychol, Graz, Austria
[5] Tech Univ Dresden, Clin Psychol & Behav Neurosci, Dresden, Germany
[6] Univ Coll Cork, Dept Psychiat & Neurobehav Sci, Cork, Ireland