Validation of biomarkers to predict response to immunotherapy in cancer: Volume I — pre-analytical and analytical validation ============================================================================================================================== * Giuseppe V. Masucci * Alessandra Cesano * Rachael Hawtin * Sylvia Janetzki * Jenny Zhang * Ilan Kirsch * Kevin K. Dobbin * John Alvarez * Paul B. Robbins * Senthamil R. Selvan * Howard Z. Streicher * Lisa H. Butterfield * Magdalena Thurin