About the Authors

Dorothee Fischer

dfischer@hsph.harvard.edu

Affiliations Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America, Center for Injury Epidemiology, Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, United States of America

David A. Lombardi

Affiliations Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America, Center for Injury Epidemiology, Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, United States of America

Helen Marucci-Wellman

Affiliation Center for Injury Epidemiology, Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, United States of America

Till Roenneberg

Affiliation Institute for Medical Psychology, Centre of Chronobiology, Ludwig-Maximilian-University, Munich, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: DF DAL HW TR. Formal analysis: DF DAL. Methodology: DF DAL. Software: DF DAL. Validation: DF DAL. Visualization: DF. Writing – original draft: DF. Writing – review & editing: DF DAL HW TR.