Influence of tumor mutational burden, inflammatory gene expression profile, and PD-L1 expression on response to pembrolizumab in head and neck squamous cell carcinoma ====================================================================================================================================================================== * Robert I Haddad * Tanguy Y Seiwert * Laura Q M Chow * Shilpa Gupta * Jared Weiss * Iris Gluck * Joseph P Eder * Barbara Burtness * Makoto Tahara * Bhumsuk Keam * Hyunseok Kang * Kei Muro * Andrew Albright * Robin Mogg * Mark Ayers * Lingkang Huang * Jared Lunceford * Razvan Cristescu * Jonathan Cheng * Ranee Mehra