1. World Health Organization (WHO) | Depression [Internet]. [cited 2016 Jun 2]. Available from: http://www.who.int/mediacentre/factsheets/fs369/en/ .
2. Kessler RC, Heeringa S, Lakoma MD, Petukhova M, Rupp AE, Schoenbaum M, et al. The individual-level and societal-level effects of mental disorders on earnings in the United States: Results from the National Comorbidity Survey Replication. Am J Psychiatry. 2008;165:703–11.
3. National Center for Health Statistics, Preventi. Health, United States, 2013, with Special Feature on Prescription Drugs. Hyattsville: U.S. Government Printing Office; 2014.
4. Colton CW, Manderscheid RW. Congruencies in Increased Mortality Rates, Years of Potential Life Lost, and Causes of Death Among Public Mental Health Clients in Eight States. Prev. Chronic. Dis. [Internet]. 2006 [cited 2015 Dec 16];3. Available from: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1563985/ .
5. Lett HS, Blumenthal JA, Babyak MA, Sherwood A, Strauman T, Robins C, et al. Depression as a risk factor for coronary artery disease: evidence, mechanisms, and treatment. Psychosom Med. 2004;66:305–15.