About the Authors

Sunil Sharma

Sunil.Sharma@jefferson.edu

Affiliation Thomas Jefferson University, Philadelphia, Pennsylvania, United States of America

Anindita Chowdhury

Affiliation Thomas Jefferson University, Philadelphia, Pennsylvania, United States of America

Lili Tang

Affiliation Thomas Jefferson University, Philadelphia, Pennsylvania, United States of America

Leslee Willes

Affiliation Willes Consulting Group Inc., Encinitas, California, United States of America

Brian Glynn

Affiliation Thomas Jefferson University, Philadelphia, Pennsylvania, United States of America

Stuart F. Quan

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, University of Arizona College of Medicine, Tucson, Arizona, United States of America

Competing Interests

To the best of the authors' knowledge, no conflict of interest, financial or other, exists. Dr. Sunil Sharma has an unrestricted research grant from RESMED corp. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials. Lili Tang is statistician for the Thomas Jefferson Hospital and has no conflict of interest. Leslee Willes is an independent statistician and assistance was funded by ResMed Corp.

Author Contributions

Conceived and designed the experiments: SS AC BG LT SQ. Performed the experiments: SS AC BG LT. Analyzed the data: SS AC BG LT LW SQ. Wrote the paper: SS AC BG LT LW SQ.