* Marcus M, Yasami M, Ommeren M, Chisholm D, Saxena S. Depression: a global public health concern. WHO paper written for the World Federation of Mental Health; 2012; Available at: www.who.int/entity/mental_health/management/depression/en/.

Gustavsson A, Svensson M, Jacobi F, Allgulander C, Alonso J, Beghi E, et al. Cost of disorders of the brain in Europe 2010. Eur Neuropsychopharmacol 2011 10;21(0924-977; 10):718-779.

Ellervik C, Kvetny J, Christensen KS, Vestergaard M, Bech P. Prevalence of depression, quality of life and antidepressant treatment in the Danish General Suburban Population Study. Nord J Psychiatry 2014 Jan 29.