1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Clinic for Addiction Medicine, University Psychiatric Clinics Basel, Basel, Switzerland
3. School of Medicine, University College Cork, Cork, Ireland
4. Faculty of Medicine, The University of Queensland, Herston, Australia
5. Complex Pain and Addiction Services, Vancouver general Hospital, Vancouver, BC, Canada
6. BC Mental Health and Substance Use Services, Provincial Health Services Authority, Vancouver, BC, Canada
7. Centre for Mental Health, Klinikum Stuttgart, Stuttgart, Germany
8. BC Children's hospital, Children's and Adolescent Psychiatry, Vancouver, BC, Canada