About the Authors

Daniel J. Morgan

dmorgan@epi.umaryland.edu

Affiliations Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland, United States of America, VA Maryland Health Care System, Baltimore, Maryland, United States of America

Hannah R. Day

Affiliation Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland, United States of America

Anthony D. Harris

Affiliations Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland, United States of America, VA Maryland Health Care System, Baltimore, Maryland, United States of America

Jon P. Furuno

Affiliation Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland, United States of America

Eli N. Perencevich

Affiliation University of Iowa, Carver College of Medicine and Iowa City VA, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJM ENP ADH. Performed the experiments: DJM. Analyzed the data: DJM HRD JPF. Wrote the paper: DJM HRD ADH JPF ENP.