1. Department of Family Medicine, University at Buffalo, The State University of New York, Buffalo, New York
2. Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Champaign, Illinois
3. Department of Health Promotion, Education, and Behavior, University of South Carolina, Columbia, South Carolina
4. Department of Community Health and Health Behavior, University at Buffalo, The State University of New York, Buffalo, New York