An erratum was issued for: Testing Cancer Immunotherapeutics in a Humanized Mouse Model Bearing Human Tumors. The Authors section was updated from: Jordi M. Lanis1 Matthew S. Lewis1 Hannah Strassburger1 Stacey M. Bagby2 Adrian T. A. Dominguez2 Juan A. Marín-Jiménez3 Roberta Pelanda1 Todd M. Pitts2 Julie Lang1 1Department of Immunology and Microbiology, School of Medicine, University of Colorado Denver Anschutz Medical Campus 2Division of Oncology, School of Medicine, University of Colorado Denver Anschutz Medical Campus 3Department of Medical Oncology, Catalan Institute of Oncology (ICO-L'Hospitalet) to: Jordi M. Lanis1 Matthew S. Lewis1 Hannah Strassburger1 Kristina Larsen1 Stacey M. Bagby2 Adrian T. A. Dominguez2 Juan A. Marín-Jiménez3 Roberta Pelanda1 Todd M. Pitts2 Julie Lang1 1Department of Immunology and Microbiology, School of Medicine, University of Colorado Denver Anschutz Medical Campus 2Division of Oncology, School of Medicine, University of Colorado Denver Anschutz Medical Campus 3Department of Medical Oncology, Catalan Institute of Oncology (ICO-L'Hospitalet).