Kessler, R. C., W. T. Chiu, O. Demler, and E. E. Walters. 2005. Prevalence, severity, and comorbidity of twelve-month DSM–IV disorders in the National Comorbidity Survey Replication (NCS-R). Archives of General Psychiatry 62 (6): 617–27.
U.S. Census Bureau. 2005. Population estimates by demographic characteristics. Table 2: Annual estimates of the population by selected age groups and sex for the United States: April 1, 2000 to July 1, 2004 (NC-EST2004–02). www.census.gov/popest/national/asrh/.
Kessler, R. C., W. T. Chiu, O. Demler, and E. E. Walters. 2005. Prevalence, severity, and comorbidity of twelve-month DSM–IV disorders in the National Comorbidity Survey Replication (NCS-R). Archives of General Psychiatry 62 (6): 617–27.
World Health Organization. 2008. The global burden of disease: 2004 update. Table A2: Burden of disease in DALYs by cause, sex and income group in WHO regions, estimates for 2004. Geneva, Switzerland: World Health Organization. http://www.who.int/healthinfo/global_burden_disease/GBD_report_2004update_AnnexA.pdf.
Kessler, R. C., W. T. Chiu, O. Demler, and E. E. Walters. 2005. Prevalence, severity, and comorbidity of twelve-month DSM–IV disorders in the National Comorbidity Survey Replication (NCS-R). Archives of General Psychiatry 62 (6): 617–27.
Dusek, J. A., C. Denton, H. Emmons, L. Knutson, S. Masemer, and G. Plotnikoff. 2009. Evaluation of an 8-week resilience training program in moderate to severely depressed patients. Explore: The Journal of Science and Healing 5 (3): 160–1.
Chadwick, D. 2007. Zen is Right Here: Teaching Stories and Anecdotes of Shunryu Suzuki. Boston, MA: Shambhala Publications.