1. Service of Addictions Medicine, Lausanne University Hospital and University of Lausanne, Canton of Vaud, Switzerland
2. Service of Community Psychiatry, Lausanne University Hospital and University of Lausanne, Canton of Vaud, Switzerland
3. Public Health Service of Canton de Vaud, Department of Health and Social Action, Canton of Vaud, Lausanne, Switzerland
4. Institute of Humanities in Medicine, Lausanne University Hospital and University of Lausanne, Canton of Vaud, Switzerland
5. Institute of Social Sciences, University of Lausanne, Canton of Vaud, Switzerland
6. Service of General Psychiatry, Lausanne University Hospital and University of Lausanne, Canton of Vaud, Switzerland