About the Authors

Shinya Ishii

sishii76@gmail.com

Affiliation Department of Geriatric Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan

Arun S. Karlamangla

Affiliation Division of Geriatrics, Department of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Marcos Bote

Affiliation Department of Sociology and Social Policy, University of Murcia, Murcia, Spain

Michael R. Irwin

Affiliation Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

David R. Jacobs Jr

Affiliation Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota, United States of America

Hyong Jin Cho

Affiliation Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

Teresa E. Seeman

Affiliation Division of Geriatrics, Department of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SI AK MB MI HJC TS. Analyzed the data: SI AK DJ TS. Contributed reagents/materials/analysis tools: AK TS DJ. Wrote the paper: SI. Critical revision of the manuscript for important intellectual content: SI AK MB MI DJ HJC TS.