About the Authors

Brian D. Fink

Affiliation Department of Internal Medicine/Endocrinology and Metabolism, University of Iowa Hospitals and Clinics and Iowa City VAMC, Iowa City, Iowa, United States of America

Judy A. Herlein

Affiliation Department of Internal Medicine/Endocrinology and Metabolism, University of Iowa Hospitals and Clinics and Iowa City VAMC, Iowa City, Iowa, United States of America

Yunxia O’Malley

Affiliation Department of Surgery, University of Iowa Hospitals and Clinics and Iowa City VAMC, Iowa City, Iowa, United States of America

William I. Sivitz

william-sivitz@uiowa.edu

Affiliation Department of Internal Medicine/Endocrinology and Metabolism, University of Iowa Hospitals and Clinics and Iowa City VAMC, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WIS YOM BDF. Performed the experiments: BDF JAH YOM WIS. Analyzed the data: BDF JAH YOM WIS. Contributed reagents/materials/analysis tools: WIS BDF. Wrote the paper: WIS BDF.