[1] Katholieke Univ Leuven, Expt Radiat Oncol, Leuven, Belgium
[2] Univ Hosp Gasthuisberg, Radiat Oncol, Leuven, Belgium
[3] Katholieke Univ Leuven, Vesalius Res Ctr, Lab Translat Genet, Leuven, Belgium
[4] Univ Hosp Gasthuisberg, Resp Oncol Pneumol, Leuven, Belgium
[5] Univ Hosp Gasthuisberg, Thorac Surg, Leuven, Belgium
[6] Univ Hosp Gasthuisberg, Pneumol, Leuven, Belgium