Transcriptional and functional analyses of neoantigen-specific CD4 T cells during a profound response to anti-PD-L1 in metastatic Merkel cell carcinoma ======================================================================================================================================================= * Candice Church * Thomas Pulliam * Natalie Longino * Song Y Park * Kimberly S Smythe * Vladimir Makarov * Nadeem Riaz * Lichen Jing * Robert Amezquita * Jean S Campbell * Raphael Gottardo * Robert H Pierce * Jaehyuk Choi * Timothy A Chan * David M Koelle * Paul Nghiem