1. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine , 1440 Canal Street, New Orleans, LA 70112 , USA
2. Section of Endocrinology and Metabolism, Tulane University School of Medicine , New Orleans, LA , USA
3. Southeast Louisiana Veterans Health Care System , New Orleans, LA , USA
4. Department of Nutrition, Harvard T.H. Chan School of Public Health , 677 Huntington Ave, Boston, MA 02115 , USA