[1] Hosp Sirio Libanes, Sao Paulo, Brazil
[2] Dana Farber Canc Inst, Lowe Ctr Thorac Oncol, Boston, MA 02115 USA
[3] Dana Farber Canc Inst, Boston, MA 02115 USA
[4] Harvard Univ, Biostat Core, Boston, MA 02115 USA
[5] Brigham & Womens Hosp, Dept Radiol, 75 Francis St, Boston, MA 02115 USA
[6] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[7] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[8] Univ Texas MD Anderson Canc Ctr, Dept Thorac Head & Neck Med Oncol, Houston, TX 77030 USA
[9] MD Anderson Canc Ctr, Houston, TX USA
[10] Massachusetts Gen Hosp, Cambridge, MA USA