[1] Hop Beaujon, Serv Inter Hosp Cancerol Bichat Beaujon, F-92110 Clichy, France
[2] Ctr Rene Gauducheau, Dept Med Oncol, St Herblain, France
[3] Univ Hosp, Hop Pontchaillou, Rennes, France
[4] Samsung Med Ctr, Seoul, South Korea
[5] Korea Univ, Guru Hosp, Seoul, South Korea
[6] Pfizer Italie Srf, Milan, Italy
[7] GlaxoSmithKline Inc, Oncol Dev Ctr, Collegeville, PA USA
[8] Natl Taiwan Univ Hosp, Dept Internal Med & Oncol, Taipei, Taiwan