NK cells and CD8+ T cells cooperate to improve therapeutic responses in melanoma treated with interleukin-2 (IL-2) and CTLA-4 blockade ====================================================================================================================================== * Frederick J Kohlhapp * Joseph R Broucek * Tasha Hughes * Erica J Huelsmann * Jevgenijs Lusciks * Janet P Zayas * Hubert Dolubizno * Vidyaratna A Fleetwood * Alisa Grin * Graham E Hill * Joseph L Poshepny * Arman Nabatiyan * Carl E Ruby * Joshua D Snook * Jai S Rudra * Jason M Schenkel * David Masopust * Andrew Zloza * Howard L Kaufman