Challenges and opportunities in cancer immunotherapy: a Society for Immunotherapy of Cancer (SITC) strategic vision =================================================================================================================== * Leisha A Emens * Pedro J Romero * Ana Carrizosa Anderson * Tullia C Bruno * Christian M Capitini * Deborah Collyar * James L Gulley * Patrick Hwu * Avery D Posey, Jr * Ann W Silk * Jennifer A Wargo