About the Authors

Peter M. Wayne

pwayne@partners.org

Affiliation Osher Center for Integrative Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Brian J. Gow

Affiliation Osher Center for Integrative Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Madalena D. Costa

Affiliation Division of Interdisciplinary Medicine and Biotechnology and Margret and H.A. Rey Institute for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

C.-K. Peng

Affiliations Division of Interdisciplinary Medicine and Biotechnology and Margret and H.A. Rey Institute for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Center for Dynamical Biomarkers and Translational Medicine, National Central University, Chungli, Taiwan

Lewis A. Lipsitz

Affiliations Division of Gerontology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Roslindale, Massachusetts, United States of America

Jeffrey M. Hausdorff

Affiliations Movement Disorders Unit, Department of Neurology, Tel Aviv Medical Center, Tel Aviv, Israel, Department of Physical Therapy and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel

Roger B. Davis

Affiliation Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Jacquelyn N. Walsh

Affiliation Osher Center for Integrative Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Matthew Lough

Affiliation Institute for Aging Research, Hebrew SeniorLife, Roslindale, Massachusetts, United States of America

Vera Novak

Affiliations Division of Gerontology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Gloria Y. Yeh

Affiliation Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Andrew C. Ahn

Affiliations Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, Massachusetts, United States of America

Eric A. Macklin

Affiliation Biostatistics Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Brad Manor

Affiliation Division of Gerontology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PMW BM JMH CKP RBD LAL GYY ACA. Performed the experiments: JNW ML BM. Analyzed the data: BJG MDC PMW. Contributed to the writing of the manuscript: PMW BJG BM JNW LAL JMH MDC CKP RBD ML VN EAM GYY ACA. Participated in clinical screening of study subjects and evaluated EKG's: GYY ACA.