1. IrisZorg verslavingszorg Arnhem the Netherlands
2. Nijmegen Institute for Science Practitioners in Addiction (NISPA) Nijmegen the Netherlands
3. Department of Pharmacology–Toxicology Radboud UMC Nijmegen Nijmegen the Netherlands
4. Department of Psychiatry Radboud UMC Nijmegen the Netherlands
5. Department for Health Evidence Radboud UMC Nijmegen Nijmegen the Netherlands
6. Centre of Forensic Psychiatry Pompe Kliniek Nijmegen the Netherlands