1. Department of Addiction Medicine, Grenoble Alpes University Hospital, Grenoble, France
2. Faculty of Medicine, Grenoble Alpes University, Grenoble, France
3. Université de Bordeaux, Bordeaux, France
4. Addiction Psychiatry Team, SANPsy CNRS USR, Bordeaux, France
5. Pôle Addictologie, CH Ch. Perrens and CHU Bordeaux, Bordeaux, France
6. Faculty of Medical and Human Sciences, Institute of Brain Behaviour and Mental Health, University of Manchester, Manchester, UK
7. Addiction Treatment Centre, Biella, Italy
8. Department of Psychiatry, Hospital Universitario Gregorio Marañon, Madrid, Spain
9. Applied strategic, London, UK
10. Divisional Medical Director, Central & North West London NHS Foundation Trust, London, UK
11. Abdominal Center, University Hospital and University of Helsinki, Helsinki, Finland
12. Centre d’Enseignement, de Recherche et de Traitement des Addictions, AP-HP, Paris-Sud University Hospital Group, Paul Brousse site, Paris-Sud University, Villejuif, France
13. Department of Psychiatry, University of Oviedo-CIBERSAM, Oviedo, Spain
14. Centre d׳Addictologie, BIZIA and CH Bayonne, Bayonne, France
15. Drug Addiction Department, Local Public Health ASL Rome 2, Rome, Italy
16. Santa Chiara University Hospital, University of Pisa, Pisa, Italy
17. Department of Psychiatry and Legal Medicine, Universidad Autonoma de Barcelona, Institut de Neuropsiquiatria i Addiccions, Hospital del Mar, IMIM (Hospital del Mar Medical Research Institut), Barcelona, Spain
18. CONCEPT, Addiction Medicine, Munich, Germany
19. Department of Psychiatry, Ludwig Maximilian University, Munich, Germany
20. Medical Park Ciemseeblick, Bernau-Felden, Germany