About the Authors

Scott A. Keith

Contributed equally to this work with: Scott A. Keith, Sarah K. Maddux, Yayu Zhong

Affiliation Division of Geriatric Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Sarah K. Maddux

Contributed equally to this work with: Scott A. Keith, Sarah K. Maddux, Yayu Zhong

Affiliations Division of Geriatrics, Gerontology, and Palliative Medicine, Department of Medicine, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America, Center for Healthy Aging, Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America

Yayu Zhong

Contributed equally to this work with: Scott A. Keith, Sarah K. Maddux, Yayu Zhong

Affiliations Division of Geriatrics, Gerontology, and Palliative Medicine, Department of Medicine, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America, Center for Healthy Aging, Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America

Meghna N. Chinchankar

Affiliations Division of Geriatrics, Gerontology, and Palliative Medicine, Department of Medicine, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America, Center for Healthy Aging, Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America

Annabel A. Ferguson

Affiliation Division of Geriatric Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Arjumand Ghazi

Affiliation Rangos Research Center, Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Alfred L. Fisher

fishera2@uthscsa.edu

Affiliations Division of Geriatrics, Gerontology, and Palliative Medicine, Department of Medicine, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America, Center for Healthy Aging, Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, Texas, United States of America, San Antonio GRECC, South Texas VA Healthcare System, San Antonio, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SAK SKM MNC ALF. Performed the experiments: SAK SKM YZ MNC AAF ALF. Analyzed the data: SAK SKM YZ MNC ALF. Contributed reagents/materials/analysis tools: AG. Wrote the paper: SAK SKM YZ MNC AG ALF.