Prospective development and validation of a liquid immune profile-based signature (LIPS) to predict response of patients with recurrent/metastatic cancer to immune checkpoint inhibitors ========================================================================================================================================================================================= * Jian-Guo Zhou * Anna-Jasmina Donaubauer * Benjamin Frey * Ina Becker * Sandra Rutzner * Markus Eckstein * Roger Sun * Hu Ma * Philipp Schubert * Claudia Schweizer * Rainer Fietkau * Eric Deutsch * Udo Gaipl * Markus Hecht