[1] Massachusetts Gen Hosp, Ctr Canc, Ctr Melanoma, Boston, MA 02114 USA
[2] Roswell Pk Canc Inst, Dept Med, Buffalo, NY 14263 USA
[3] NYU, Langone Med Ctr, Ctr Clin Canc, New York, NY USA
[4] Univ Penn Hlth Syst, Abramson Canc Ctr, Philadelphia, PA USA
[5] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA