[1] Katholieke Univ Leuven, Dept Rehabil Internal Disorders, Leuven, Belgium
[2] UZ Leuven, Div Resp, Leuven, Belgium
[3] Katholieke Univ Leuven, Dept Chron Dis Metab & Aging, Leuven, Belgium
[4] UZ Leuven, Div Radiol, Leuven, Belgium
[5] Katholieke Univ Leuven, Dept Imaging & Pathol, Leuven, Belgium
[6] UZ Leuven, Div Thorac Surg, Leuven, Belgium