Department of Psychiatry and Psychotherapy Maximilians University 80336;
MEDIAN Clinic 19217;
Institute for Medical Information Processing Maximilians University 81377;
University of Applied Labour Studies of the Federal Employment Agency 68163;
Department of Psychiatry Maximilians University 80336;
Treatment outcome; Cognitive function; PSYCHOPATHOLOGY; METHAMPHETAMINE; Substance use; COMPARISON;