1. Department of Health Behavior, UNC Chapel Hill, Chapel Hill, North Carolina.
2. Department of Nutrition, UNC Chapel Hill, Chapel Hill, North Carolina.
3. Statistics Department, California Polytechnic State University, San Luis Obispo, California.
4. Kinesiology Department, California Polytechnic State University, San Luis Obispo, California.
5. Department of Modern Languages, California Polytechnic State University, San Luis Obispo, California.
6. Marshfield Clinic Research Foundation, Marshfield Clinic Health System, Marshfield, Wisconsin.