About the Authors

Marin L. Schweizer

marin-schweizer@uiowa.edu

Affiliations Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland, United States of America, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America

Jon P. Furuno

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

Anthony D. Harris

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

J. Kristie Johnson

Affiliation Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Michelle D. Shardell

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

Jessina C. McGregor

Affiliation Department of Pharmacy Practice, College of Pharmacy, Oregon Health and Science University, Portland, Oregon, United States of America

Kerri A. Thom

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

George Sakoulas

Affiliation Sharp Memorial Hospital, San Diego, California, United States of America

Eli N. Perencevich

Affiliations Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America, Iowa City VA Medical Center, Iowa City, Iowa, United States of America

Competing Interests

MLS and ENP have received research support from Pfizer, Inc. GS is a consultant for Astellas, Cubist, Pfizer, Ortho-McNeal, has served as a speaker for Astellas, Cubist, Pfizer and has received research support from Cubist. This study was funded in part by an investigator-initiated research grant from Pfizer, Inc (IIR GA5951BG). The funders will not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MLS JPF ADH JKJ JCM KAT GS EP. Performed the experiments: MLS. Analyzed the data: MLS MS. Contributed reagents/materials/analysis tools: JKJ EP. Wrote the paper: MLS JPF ADH JKJ MS JCM KAT GS EP.