1. L'hirondel, A. & Yach, D. World Health Stat. Q. 51, 79–87 (1998).
2. World Health Organization. Global Status Report on Alcohol and Health 2011 (WHO, 2011); available at
http://go.nature.com/ymav6z
3. Gostin, L. O. et al. PLoS Med 8, e1001031 (2011).