 Participants are recruited in the outpatient departements of three hospitals in Berlin and Brandenburg Charité Universitätsmedizin Berlin - Departement of Psychiatry and Psychotherapy; St. Hewdig Hospital Berlin - Departement of Psychiatry; Oberhavel Hospital Brandenburg, Departement of Psychiatry and at local psychiatrists in Berlin. Individuals are recruited by posters and flyers in the waiting areas areas or by information of their doctor. Patients can contact the researcher and are, after checked for eligibility, invited to an information event, where they get detailed information on the program and the study. After the information event, participants give written informed consent. 