Corrigendum: Bacillus Calmette–Guérin-Induced Trained Immunity Is Not Protective for Experimental Influenza A/Anhui/1/2013 (H7N9) Infection in Mice - de Bree, L. Charlotte J.; Marijnissen, Renoud J.; Kel, Junda M.; Rosendahl Huber, Sietske K.; Aaby, Peter; Benn, Christine Stabell; Wijnands, Marcel V. W.; Diavatopoulos, Dimitri A.; van Crevel, Reinout; Joosten, Leo A. B.; Netea, Mihai G.; Dulos, John (Frontiers in Immunology, 2018)