Blood-based kinase activity profiling: a potential predictor of response to immune checkpoint inhibition in metastatic cancer ============================================================================================================================= * Daan P Hurkmans * Els M E Verdegaal * Sabrina A Hogan * Rik de Wijn * Lies Hovestad * Dianne M A van den Heuvel * Rob Ruijtenbeek * Marij J P Welters * Mandy van Brakel * Edwin A Basak * Herbert M Pinedo * Cor H J Lamers * Harmen J G van de Werken * John P Groten * Reno Debets * Mitchell P Levesque * Reinhard Dummer * Ellen Kapiteijn * Ron H J Mathijssen * Joachim G J V Aerts * Sjoerd H van der Burg