About the Authors

Nabarun Dasgupta

nabarund@unc.edu

Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States of America

Jonathan Davis

Affiliation Rocky Mountain Poison and Drug Center, Denver Health, Denver, Colorado, United States of America

Michele Jonsson Funk

Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States of America

Richard Dart

Affiliations Rocky Mountain Poison and Drug Center, Denver Health, Denver, Colorado, United States of America, School of Medicine, University of Colorado, Denver, Colorado, United States of America

Competing Interests

The authors have the following conflicts: Dr. Davis and Dr. Dart are employees of the RADARS System, a public non-profit organization providing post-marketing surveillance data on prescription medications to pharmaceutical manufacturers, government and academic researchers. Dr. Dasgupta serves on the external Scientific Advisory Board of the RADARS System.

Author Contributions

Conceived and designed the experiments: ND JD RD MJF. Performed the experiments: ND JD. Analyzed the data: ND JD. Wrote the paper: ND JD RD MJF. Obtained the vital statistics data for this analysis from NCHS: JD.