About the Authors

Jeffrey H. Zimering

Current address: Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Affiliations University of Rochester School of Medicine and Dentistry, Rochester, New York, United States of America, Howard Hughes Medical Institute, Harvard Medical School, Boston, Massachusetts, United States of America

Yuanlin Dong

Affiliation Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Fang Fang

Current address: Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, People’s Republic of China

Affiliation Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Lining Huang

Current address: Department of Anesthesiology, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, Peoples’ Republic of China

Affiliation Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Yiying Zhang

Affiliation Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Zhongcong Xie

zxie@mgh.harvard.edu

Affiliation Geriatric Anesthesia Research Unit, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JHZ ZX. Performed the experiments: JHZ YD FF LH YZ. Analyzed the data: JHZ YZ ZX. Wrote the paper: JHZ YZ ZX.