[1] UCLA Med Ctr, Dept Med, Los Angeles, CA USA
[2] Icahn Sch Med Mt Sinai, Dept Med, New York, NY 10029 USA
[3] Daiichi Sankyo Inc, Clin Dev, Basking Ridge, NJ USA
[4] Daiichi Sankyo Inc, Biostat & Data Management, Basking Ridge, NJ USA
[5] Fdn IRCCS Ist Nazl Tumori, Med Oncol, Milan, Italy