About the Authors
Department of Anesthesiology and Critical Care, Shriners Hospital for Children, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SY. Performed the experiments: SY AA. Analyzed the data: SY AA. Contributed reagents/materials/analysis tools: SY NS MK YO JM. Wrote the paper: SY. Other: Financial support: JM. Principal investigator: SY.