1. Interdisciplinary Social Sciences; Utrecht University; Utrecht the Netherlands
2. Health Promotion; National University of Ireland; Galway Ireland
3. UMR 1027, Inserm; Université de Toulouse; Toulouse France
4. Service médical du rectorat de Toulouse; Toulouse France
5. Department of Public Health; Gent University; Gent Belgium
6. University Mental Health Research Institute; Athens Greece
7. Sucht Schweiz; Research Institute; Lausanne Switzerland
8. Behavioural Science Institute; Radboud University; Nijmegen The Netherlands
9. Croatian National Institute of Public Health; Zagreb Croatia
10. Prevention Research Branch; Division of Epidemiology, Statistics and Prevention Research; Eunice Kennedy Shriver National Institute of Child Health and Human Development; Bethesda MD USA
11. School of Public Health; University of Haifa; Haifa Israel
12. Dipartimento di Psicologia dello Sviluppo e della Socializzazione; Universita degli Studi di Padova; Padova Italia
13. Department of Public Health Sciences; Queen's University; Kingston Canada
14. Department of Emergency Medicine; Queen's University; Kingston Canada