1. Department of Biostatistical Sciences; School of Medicine; Wake Forest University; Winston-Salem North Carolina
2. Department of Health and Exercise Science; Wake Forest University; Winston-Salem North Carolina
3. College of Public Health; University of Arkansas for Medical Sciences; Little Rock Arkansas
4. Pennington Biomedical Research Center; Louisiana State University; Baton Rouge Louisiana
5. Departments of Medicine and Epidemiology; Johns Hopkins University; Baltimore Maryland
6. Keck School of Medicine of University of Southern California; Los Angeles California
7. Department of Preventive Medicine; Health Science Center; University of Tennessee; Memphis Tennessee
8. Joslin Diabetes Center; Boston Massachusetts
9. Department of Medicine; University of Texas Health Science Center; San Antonio Texas