[1] Univ Turin, San Luigi Hosp, I-10124 Turin, Italy
[2] SG Moscati Hosp, Avellino, Italy
[3] High Specializat Hosp, Oncol Pulm Unit 1, San Camillo Forlanini, Italy
[4] Univ Klinikum Heidelberg, Thoraxklin, Heidelberg, Germany
[5] Montpellier Acad Hosp, Montpellier, France
[6] Heidelberg Univ, Med Ctr, D-69115 Heidelberg, Germany
[7] Eli Lilly & Co, Indianapolis, IN USA
[8] Eli Lilly & Co, Med Oncol, Houten, Netherlands
[9] Univ Hosp, Barcelona, Spain