About the Authors

Henry T. Robertson

Affiliation Department of Biostatistics, University of Alabama at Birmingham, Ryals School of Public Health, Birmingham, Alabama, United States of America

David B. Allison

dallison@uab.edu

Affiliations Department of Biostatistics, University of Alabama at Birmingham, Ryals School of Public Health, Birmingham, Alabama, United States of America, Clinical Nutrition Research Center, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Competing Interests

Dr. Allison has accepted funds from the following pharmaceutical companies in the last five years: Abbott Laboratories, Ligand Pharmaceuticals, Inc., GlaxoSmithKline, Amgen Inc., Bio Economic Research Associates, VIVUS, Inc, Merck & Co., Inc., Pfizer Inc, Genome Explorations Inc., Arena Pharmaceuticals, Inc, Johnson & Johnson, and subsidiaries of BMS-Mead-Johnson. In addition, he has accepted consulting fees from litigators involving cases related to Eli Lilly and Co.

Author Contributions

Conceived and designed the experiments: DBA. Analyzed the data: HTR. Wrote the paper: HTR DBA.