About the Authors

Han-Kyu Lee

Affiliations Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America, Department of Neurology, Rhode Island Hospital and Brown University Warren Alpert Medical School, Providence, RI, United States of America

Clara Velazquez Sanchez

Affiliations Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States of America

Mei Chen

Affiliations Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America, Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States of America

Peter J. Morin

Affiliation Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America

John M. Wells

Affiliation Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America

Eugene B. Hanlon

Affiliations Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America, Medical Research & Development Service, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America

Weiming Xia

weiming.xia@va.gov

Affiliations Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States of America, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: WX. Data curation: HKL CVS MC PJM WX. Funding acquisition: WX. Investigation: HKL CVS MC. Methodology: HKL WX. Resources: PM JMW EBH. Supervision: WX. Writing – original draft: WX CVS PJM. Writing – review & editing: WX PJM.