1. Pennington Biomedical Research Center, Baton Rouge, Louisiana.
2. School of Human Ecology, Louisiana State University AgCenter, Baton Rouge, Louisiana.
3. School of Public Health, Louisiana State University Health Science Center, New Orleans, Louisiana.
4. Health Care Service Division, Louisiana State University Health Science Center, Baton Rouge, Louisiana.
5. Earl K. Long Medical Center, Louisiana State University Health Science Center, Baton Rouge, Louisiana.