[1] Lillebaelt Hosp, Dept Med, Vejle, Denmark
[2] Univ Southern Denmark, Dept Reg Hlth Res, Odense, Denmark
[3] Ctr Res Hlth & Nursing, VIA Res Ctr Hlth & Welf Technol, Viborg, Denmark
[4] VIA Univ Coll Nursing, Fac Hlth Sci, Randers, Denmark
[5] Aarhus Univ Hosp, Dept Resp Dis & Allergy, Aarhus, Denmark
[6] Aarhus Univ Hosp, Dept Cardiothorac & Vasc Surg, Aarhus, Denmark
[7] Aarhus Univ, Dept Clin Med, Aarhus, Denmark
[8] Aarhus Univ Hosp, Ctr Rare Lung Dis, Dept Resp Dis & Allergy, Aarhus, Denmark
[9] Lillebaelt Hosp, Dept Med, Beriderbakken 4, DK-7100 Vejle, Denmark