[1] Maastricht Univ, Med Ctr, Maastricht, Netherlands
[2] Gustave Roussy, Med Oncol, Villejuif, France
[3] Hop Europeen Georges Pompidou, Gastrointestinal & Med Oncol Dept, Paris, France
[4] Gustave Roussy, Med Oncol Dept, Villejuif, France
[5] Hop St Musse, Toulon, France
[6] Hop Larrey, Toulouse, France
[7] Inst Bergonie, Bordeaux, France
[8] Hop Avicenne, Dept Pulm Dis 7, Bobigny, France
[9] Gustave Roussy, Radiat Oncol, Villejuif, France
[10] Gustave Roussy, Radiotherapy, Villejuif, France
[11] Gustave Roussy, Radiol, Villejuif, France
[12] Gustave Roussy, Pathol, Villejuif, France
[13] Maastricht Univ, Med Ctr, Radiat Oncol, Maastro Clin, Maastricht, Netherlands
[14] Maastricht Univ, Med Ctr, Pulm Dis, Maastricht, Netherlands
[15] Gustave Roussy, Dept Canc Med, Villejuif, France