[1] Univ Amsterdam, Acad Med Ctr, Dept Resp Med, Amsterdam, Netherlands
[2] Odense Univ Hosp, Dept Resp Med, Odense, Denmark
[3] Reg Southern Denmark, Reg Ctr Tech Simulat, Odense, Denmark
[4] Univ Southern Denmark, Dept Clin Res, Fac Hlth Sci, Odense, Denmark
[5] St George Hosp, Dept Resp Med, Sydney, NSW, Australia
[6] Semmelweis Univ, Med Imaging Ctr, Budapest, Hungary
[7] Natl Inst Oncol, Dept Radiol, Oncol Imaging Diagnost Ctr, Budapest, Hungary
[8] Imperial Coll, Natl Heart & Lung Inst, London, England
[9] Heidelberg Univ, Dept Pneumol & Crit Care Med, Thoraxklink, Heidelberg, Germany
[10] Med Univ Vienna, Div Pulmonol, Dept Internal Med 2, Wahringer Gurtel 18-20, A-1090 Vienna, Austria