1. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
2. Department of Family Medicine and Biobehavioral Health, University of Minnesota Medical School, Duluth, MN, USA
3. Department of Family Medicine and Community Health, University of Minnesota Medical School, University of Minnesota, Minneapolis, MN, USA
4. School of Kinesiology, University of Minnesota, Minneapolis, MN, USA