An adverse tumor-protective effect of IDO1 inhibition by Kenski, JCN, Huang, X, Vredevoogd, DW, de Bruijn, B, Traets, JJH, Ibáñez-Molero, S, Schieven, SM, van Vliet, A, Krijgsman, O, Kuilman, T, Pozniak, J, Loayza-Puch, F, Terry, AM, Müller, J, Logtenberg, MEW, de Bruijn, M, Levy, P, Körner, P-R, Goding, CR, Schumacher, TN, Marine, J-C, Agami, R, Peeper, DS