About the Authors

Brian D. Johnston

Roles Data curation, Methodology, Validation, Writing – original draft

Affiliations VA Medical Center, Minneapolis, MN, United States of America, Department of Medicine, Division of Infectious Diseases and International Medicine, University of Minnesota, Minneapolis, MN, United States of America

Paul Thuras

Roles Formal analysis, Writing – review & editing

Affiliations VA Medical Center, Minneapolis, MN, United States of America, Department of Psychiatry, University of Minnesota, Minneapolis, MN, United States of America

James R. Johnson

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

johns007@umn.edu

Affiliations VA Medical Center, Minneapolis, MN, United States of America, Department of Medicine, Division of Infectious Diseases and International Medicine, University of Minnesota, Minneapolis, MN, United States of America

Competing Interests

Dr. Johnson has received contracts, grants, or consultancies from Achaogen, Allergan, Crucell/Jannsen, ICET, Melinta, Merck, and Tetraphase; is a co-investigator on an NIH grant to IDGenomics; and has patent applications pertaining to tests for specific E. coli strains. The patent applications are "High-Resolution Two-Locus Clonal Typing of Extraintestinal Pathogenic Escherichia coli" (provisional) 61/749,144, date of application 01/04/2013, and "PRIMERS, ASSAYS AND METHODS FOR DETECTING AN E. COLI SUBTYPE" (provisional) 61/667,402, date of application April 2012. The other authors report no conflicts of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.