1. Division of Preventive and Behavioral Medicine, Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, Massachusetts
2. League of American Bicyclists, Washington, District of Columbia
3. Morningside Graduate School of Biomedical Sciences, University of Massachusetts Chan Medical School, Worcester, Massachusetts
4. Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
5. School of Public Health, University of Illinois, Chicago, Illinois