| Affiliation: | (1) Karolinska Institute, Department of Public Health Sciences, Division of Social Medicine, Stockholm, and Centre for Alcohol and Drug Prevention, Novum, Huddinge, Sweden, SE;(2) Karolinska Institute, Department of Public Health Sciences, Division of Occupational Medicine, Stockholm, Sweden, SE;(3) Gothenburg University, Department of Social Medicine, Gothenburg, Sweden, SE;(4) Centre for Alcohol and Drug Prevention, Novum, S-141 57 Huddinge, Sweden Tel.: +46-8-585 85143; Fax: +46-8-711 81 85, SE |
