[1] Mental Hlth Ctr Copenhagen, Danish Res Inst Suicide Prevent DRISP, Gentofte Hosp Vej 15,Opg 15,4 Floor, DK-2900 Hellerup, Denmark
[2] Univ Copenhagen, Fac Hlth & Med Sci, Dept Publ Hlth, Sect Epidemiol, POB 2099,Oster Farimagsgade 5,Bd 24, DK-1014 Copenhagen, Denmark
[3] McGill Univ, Douglas Mental Hlth Univ Inst, Dept Psychiat, McGill Grp Suicide Studies, 6875 Bd LaSalle, Verdun, PQ H4H 1R2, Canada
[4] McGill Univ, Sch Populat & Global Hlth, Dept Epidemiol Biostat & Occupat Hlth, Montreal, PQ, Canada
[5] Univ Copenhagen, Fac Hlth & Med Sci, Dept Clin Med, Copenhagen, Denmark
[6] Australian Natl Univ, Ctr Mental Hlth Res, Res Sch Populat Hlth, Canberra, Australia
[7] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Mental Hlth, Baltimore, MD USA