[1] Univ Colorado, Aurora, CO USA
[2] Ctr Hosp Univ Vaudois CHUV, Lausanne, Switzerland
[3] Chinese Univ Hong Kong, Hong Kong, Peoples R China
[4] Univ Michigan, Ann Arbor, MI 48109 USA
[5] Sunnybrook Odette Canc Ctr, Toronto, ON, Canada
[6] Northern Canc Inst, Sydney, NSW, Australia
[7] European Inst Oncol, Milan, Italy
[8] Moscow City Oncol Hosp 62, Moscow Dept Hlth, Moscow, Russia
[9] Severence Hosp, Seoul, South Korea
[10] Sun Yat Sen Univ, Canc Ctr, Guangzhou, Guangdong, Peoples R China
[11] Grenoble Univ Hosp, Grenoble, France
[12] F Hoffmann La Roche Ltd, Basel, Switzerland
[13] Massachusetts Gen Hosp, Boston, MA 02114 USA