1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,2013
2. Cross-national epidemiology of DSM-IV major depressive episode;Bromet;BMC Med,2011
3. Prevalence of symptoms of depression in a nationwide sample of Korean adults;Cho;Psychiatry Res,1998
4. Synopsis of psychiatry: behavioral sciences/clinical psychiatry;Kaplan,2014
5. WHO worldwide initiative for the prevention of suicide (SUPRE). WHO suicide prevention;World Health Organization,2010