1 23 Social Psychiatry and Psychiatric Epidemiology The International Journal for Research in Social and Genetic Epidemiology and Mental Health Services ISSN 0933-7954 Volume 48 Number 9 Soc Psychiatry Psychiatr Epidemiol (2013) 48:1481-1489 DOI 10.1007/s00127-013-0690-2 Deliberate self-harm before psychiatric admission and risk of suicide: survival in a Danish national cohort Trine Madsen, Esben Agerbo, Preben B. Mortensen & Merete Nordentoft