1. University of Alabama in Birmingham, Alabama.
2. Department of Human Nutrition and Hospitality Management, College of Human Environmental Sciences, University of Alabama in Tuscaloosa, Alabama; PO Box 870158, Tuscaloosa, AL 35487-0158 USA.
3. Department of Human Nutrition and Hospitality Management, College of Human Environmental Sciences, University of Alabama, in Tuscaloosa, Alabama.
4. Department of Behavioral and Community Medicine, College of Community Health Sciences, University of Alabama in Tuscaloosa, Alabama.
5. Alabama Department of Public Health, Montgomery, Alabama.