1. Department of Epidemiology and Biostatistics; Arnold School of Public Health; University of South Carolina; Columbia SC
2. Department of Epidemiology; School of Public Health; Birmingham AL
3. Department of Biostatistics, and Nutrition and Obesity Research Center; University of Alabama at Birmingham; Birmingham AL
4. Pennington Biomedical Research Center; Baton Rouge LA
5. Injury Control Research Center and Obesity and Body Composition Research Center; Baton Rouge LA
6. Department of Nutrition and Food Hygiene; School of Public Health; Zhejiang University; Hangzhou China