[1] Univ Pittsburgh, Sch Med, Pittsburgh, PA 15260 USA
[2] Asklepios Fachkliniken Munchen Gauting, Gauting, Germany
[3] M Kopernik Mem Hosp, Lodz, Poland
[4] RAMS, Canc Res Ctr, Moscow, Russia
[5] AK Hamburg Harbug, Hamburg, Germany
[6] Univ Helsinki, Cent Hosp, FIN-00014 Helsinki, Finland
[7] Reg Lung Dis Ctr, Poznan, Poland
[8] Massachusetts Gen Hosp, Boston, MA 02114 USA
[9] Sydney Canc Ctr, Camperdown, NSW, Australia
[10] Univ Texas, MD Anderson Canc Ctr, Houston, TX 77030 USA