About the Authors

William D. Finkle

hooverr@mail.nih.gov (RNH); bill@consolidated-research.com (WDF)

Affiliation Consolidated Research, Inc., Los Angeles, California, United States of America

Sander Greenland

Affiliation Department of Epidemiology and Department of Statistics, University of California, Los Angeles, California, United States of America

Gregory K. Ridgeway

Affiliation Consolidated Research, Inc., Los Angeles, California, United States of America

John L. Adams

Affiliation Consolidated Research, Inc., Los Angeles, California, United States of America

Melissa A. Frasco

Affiliation Consolidated Research, Inc., Los Angeles, California, United States of America

Michael B. Cook

Affiliation Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America

Joseph F. Fraumeni Jr

Affiliation Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America

Robert N. Hoover

hooverr@mail.nih.gov (RNH); bill@consolidated-research.com (WDF)

Affiliation Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America

Competing Interests

The authors would like to clarify the Competing Interests Section to state that 1) William Finkle is owner of Consolidated Research Inc. (CRI) 2) John Adams, Sander Greenland, Gregory Ridgeway and Melissa Frasco are consultants to CRI. 3) CRI is a company that develops statistical methods and software. 4) None of the authors has been compensated by any manufacturers of products examined in our study. These affiliations do not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: WDF SG JLA GKR MAF RNH. Performed the experiments: WDF SG JLA GKR MAF RNH. Analyzed the data: WDF SG JLA GKR MAF RNH. Contributed reagents/materials/analysis tools: WDF SG JLA GKR MAF RNH. Wrote the paper: WDF SG JLA GKR MAF MBC JFF RNH.