[1] Royal Marsden Hosp, London SW3 6JJ, England
[2] IOV IRCCS, Melanoma Oncol Unit, Padua, Italy
[3] Univ Colorado, Ctr Canc, Denver, CO 80262 USA
[4] Aix Marseille Univ, Hop La Timone, APHM, Marseille, France
[5] Baylor Charles A Sammons Canc Ctr, Dallas, TX USA
[6] Univ Michigan, Ctr Comprehens Canc, Ann Arbor, MI 48109 USA
[7] Singleton Hosp, South West Wales Canc Inst, Swansea SA2 8QA, W Glam, Wales
[8] Univ Toronto, Princess Margaret Hosp, Toronto, ON, Canada
[9] Tasman Oncol Res, South Port Gold Coast, Qld, Australia
[10] Melanoma Inst Australia, Sydney, NSW, Australia
[11] Univ Sydney, Sydney, NSW 2006, Australia
[12] UZ Leuven, Leuven, Belgium
[13] Univ Paris Diderot, Hop St Louis, Paris, France
[14] Inst Oncol, Tel Hashomer, Israel
[15] Ctr Hosp Lyon Sud, F-69310 Pierre Benite, France
[16] German Canc Res Ctr Univ Hosp, Heidelberg, Germany
[17] Christie NHS Fdn Trust, Manchester, Lancs, England
[18] Bristol Myers Squibb Co, Princeton, NJ USA
[19] Bristol Myers Squibb Co, Hopewell, NJ USA
[20] Dana Farber Canc Inst, Boston, MA 02115 USA
[21] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA