1. World Health Organization. Global status report on alcohol and health 2014 (WHO, 2014).
2. Enoch, M. A. & Goldman, D. Problem drinking and alcoholism: diagnosis and treatment. Am. Fam. Physician 65, 441–448 (2002).
3. American Psychiatric Association. The Diagnostic and Statistical Manual of Mental Disorders DSM-5 5th edn (American Psychiatric Publishing, 2013).
4. Koob, G. F. & Volkow, N. D. Neurocircuitry of addiction. Neuropsychopharmacology 35, 217–238 (2010).
5. Koob, G. F. in Behavioral Neurobiology of Alcohol Addiction (eds Sommer, W. H. & Spanagel, R.) 3–30 (Springer, 2013).