[1] Dana Farber Canc Inst, Boston, MA 02115 USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[3] Univ Calif San Francisco, San Francisco, CA 94143 USA
[4] Angeles Clin & Res Inst, Los Angeles, CA USA
[5] Inst Gustave Roussy, Paris, France
[6] Univ Sydney, Westmead Hosp, Westmead, NSW 2145, Australia
[7] Univ Sydney, Melanoma Inst Australia, Westmead, NSW 2145, Australia
[8] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[9] Univ Penn, Abramson Canc Ctr, Philadelphia, PA 19104 USA
[10] Princess Margaret Canc Ctr, Toronto, ON, Canada
[11] Univ Sydney, Sydney, NSW 2006, Australia
[12] H Lee Moffitt Canc Ctr & Res Inst, Comprehens Melanoma Res Ctr, Tampa, FL USA
[13] Mayo Clin, Dept Med Oncol, Rochester, MN USA
[14] Merck, West Point, PA USA
[15] Merck & Co Inc, West Point, PA USA
[16] Merck & Co Inc, N Wales, PA USA
[17] Merck & Co Inc, Rahway, NJ 07065 USA
[18] Merck MRL, Kenilworth, NJ USA
[19] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA