[1] Univ Copenhagen Hosp, Dept Thorag Surg, DK-2100 Copenhagen, Denmark
[2] Univ Copenhagen Hosp, Dept Cardiothorac Surg, DK-2100 Copenhagen, Denmark
[3] Municipal Copenhagen, Copenhagen Ctr Canc & Hlth, Copenhagen, Denmark
[4] Univ Copenhagen, Fac Hlth & Med Sci, Copenhagen, Denmark
[5] Univ Copenhagen, Ctr Heart, Copenhagen, Denmark
[6] Copenhagen Univ Hosp, Fac Hlth & Med Sci, Copenhagen, Denmark
[7] Copenhagen Univ Hosp, Univ Ctr Nursing & Care Res UCSF, Copenhagen, Denmark