About the Authors

Simon C. Mathews

Affiliation Department of Medicine, The Johns Hopkins University, Baltimore, Maryland, United States of America

Jaya Mallidi

Affiliations Department of Epidemiology, The Johns Hopkins University School of Public Health, Baltimore, Maryland, United States of America, Department of Internal Medicine, Baystate Medical Center/Tufts University, Springfield, Massachusetts, United States of America

Krishnaji Kulkarni

Affiliation Research and Development, Atherotech Diagnostics Lab, Birmingham, Alabama, United States of America

Peter P. Toth

Affiliation CGH Medical Center, Sterling, Illinois, and University of Illinois School of Medicine, Peoria, Illinois, United States of America

Steven R. Jones

sjones64@jhmi.edu

Affiliation Department of Medicine, Division of Cardiology, The Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

1. Dr. K. Kulkarni has the following conflict: Employment, Atherotech Diagnostics. 2. SRJ has read the journal's policy and has no conflicts other than having received grant support from Atherotech for the costs of acquisition and analysis of the specimens providing the data used in this study. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SRJ. Analyzed the data: SRJ KK PPT JM SM. Contributed reagents/materials/analysis tools: KK. Wrote the paper: SM SRJ.