[1] Univ Copenhagen, Dept Clin Med, Fac Hlth & Med Sci, Copenhagen, Denmark
[2] Capital Reg Denmark, Dept Emergency Med Serv, Copenhagen, Denmark
[3] Natl Inst Publ Hlth, Kinivers Southern Denmark, Copenhagen, Denmark
[4] Danish Comm Hlth Educ, Copenhagen, Denmark
[5] Rigshosp, Dept Psychol, Copenhagen, Denmark
[6] Copenhagen Univ Hosp, Rigshosp, Copenhagen, Denmark
[7] Gentofte Univ Hosp, Dept Cardiol, Hellerup, Denmark