1. Departments of EpidemiologyUniversity of North Carolina Chapel Hill NC US
2. Departments of NutritionUniversity of North Carolina Chapel Hill NC US
3. Departments of BiostatisticsUniversity of North Carolina Chapel Hill NC US
4. Division of Preventive MedicineUniversity of Alabama at Birmingham Birmingham AL US
5. School of Public HealthUniversity of Texas Health Science Center at Houston Brownsville TX US