1. Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
2. Division of Biostatistics, University of Minnesota, Minneapolis, Minnesota 55455, United States
3. Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota 55455, United States
4. Department of Psychiatry, University of Minnesota, Minneapolis, Minnesota 55455, United States
5. Department of Psychology, University of Wisconsin-Stevens Point, Stevens Point, Wisconsin 54481, United States
6. Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota 55455, United States
7. Department of Exercise and Nutrition Sciences, George Washington University, Washington, DC 20052, United States