[1] Univ Calgary, Calgary, AB, Canada
[2] Univ Manitoba, Winnipeg, MB, Canada
[3] Univ Calgary, Tom Baker Canc Ctr, Calgary, AB, Canada
[4] Aarhus Univ Hosp, Dept Oncol, Aarhus, Denmark
[5] S Maria della Misericordia Hosp, Dept Oncol, ULSS 18, Rovigo, Italy
[6] Asan Med Ctr, Seoul, South Korea
[7] Univ Ulsan, Coll Med, Seoul, South Korea
[8] Cleveland Clin, Cleveland, OH 44106 USA
[9] Princess Margaret Canc Ctr, Toronto, ON, Canada
[10] Dalhousie Univ, Halifax, NS, Canada
[11] BC Canc Vancouver Canc Ctr, Vancouver, BC, Canada
[12] Natl Canc Ctr Singapore, Singapore, Singapore
[13] Japanese Fdn Canc Res, Canc Inst Hosp, Tokyo, Japan
[14] London Hlth Sci Ctr, London Reg Canc Program, Dept Oncol, Div Med Oncol, London, ON, Canada
[15] Univ Western Ontario, London, ON, Canada
[16] Stanford Univ, Med Ctr, Palo Alto, CA 94304 USA
[17] Cleveland Clin, Taussig Canc Inst, Cleveland, OH 44106 USA
[18] UT Southwestern Med Ctr, Dallas, TX USA
[19] City Hope Natl Med Ctr, 1500 E Duarte Rd, Duarte, CA 91010 USA
[20] Brigham & Womens Hosp, Dana Farber Canc Inst, 75 Francis St, Boston, MA 02115 USA
[21] Harvard Med Sch, Boston, MA 02115 USA