[1] Istanbul Univ Cerrahpasa, Cerrahpasa Med Sch, Istanbul, Turkey
[2] Univ Michigan, Rogel Canc Ctr, Ann Arbor, MI 48109 USA
[3] Hetenyi G Korhaz, Szolnok, Hungary
[4] Natl Canc Ctr Hosp East, Div Breast & Med Oncol, Chiba, Japan
[5] Natl Inst Oncol, Budapest, Hungary
[6] Sunnybrook Odette Canc Ctr, Toronto, ON, Canada
[7] Univ Laval, CHU Quebec, Quebec City, PQ, Canada
[8] Univ Paris, Hop Europeen Georges Pompidou, AP HP, Dept Oncol, Paris, France
[9] Univ Antwerp, Integrated Canc Ctr Ghent, Ctr Oncol Res CORE, Ghent, Belgium
[10] Vall dHebron Inst Oncol, Barcelona, Spain
[11] Ctr Leon Berard, Dept Med Oncol, Lyon, France
[12] Akdeniz Univ, Antalya, Turkey
[13] Univ Paris Saclay, Inst Gustave Roussy, Dept Canc Med, Villejuif, France
[14] Hosp del Mar Res Inst, Dept Med Oncol, Barcelona, Spain
[15] Univ Penn, Philadelphia, PA 19104 USA
[16] Univ Washington, Dept Med, Div Oncol, Seattle, WA 98195 USA
[17] Merck & Co Inc, Kenilworth, NJ USA
[18] Queen Mary Univ London, Barts Canc Inst, Barts Expt Canc Med Ctr, London, England