1. Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA.
2. Department of Family Medicine and Community Health, E.K. Shriver Center, UMass Medical School, Charlestown, MA.
3. Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA.
4. The Research Center for Health Care Decision-Making, Inc., Wyndmoor, PA.
5. HealthPartners Institute, Bloomington, MN.
6. Department of Psychiatry and Behavioral Sciences, Duke Center for Autism and Brain Development, Duke University School of Medicine, Durham, NC.
7. Department of Exercise and Health Sciences, University of Massachusetts Boston, Boston, MA.
8. Department of Health Sciences, Boston University, Boston, MA.