[1] Aalborg Univ Hosp, Dept Resp Med, Aalborg, Denmark
[2] Naestved Hosp, Dept Resp Med, Naestved, Denmark
[3] Zealand Univ Hosp, Dept Internal Med, Sygehusvej 10, DK-4000 Roskilde, Denmark
[4] Univ Southern Denmark, Inst Reg Hlth Res, Odense, Denmark
[5] Copenhagen Acad Med Educ & Simulat, Capital Reg Denmark, Copenhagen, Denmark
[6] Univ Copenhagen, Copenhagen, Denmark
[7] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark