1. Paracelsus Medical University; Salzburg Austria
2. Center for Interdisciplinary Addiction Research; University of Hamburg; Hamburg Germany
3. Service de Toxicologie; Laboratoire National de Sante; Luxembourg Luxembourg
4. Institute of Forensic Medicine; University of Bern; Bern Switzerland
5. Department of Psychiatry, Psychotherapy and Psychosomatic Medicine; University of Halle; Halle Germany