1. Department of Radiation OncologyUniversity of Tennessee Health Science Center, College of Medicine Memphis Tennessee USA
2. Harvard University, T.H. Chan School of Public Health Boston Massachusetts USA
3. Department of Radiation OncologyUniversity of Alabama Birmingham School of Medicine Birmingham Alabama USA
4. Department of Preventive MedicineUniversity of Tennessee Health Science Center College of Medicine Memphis Tennessee USA
5. Center for Innovation in Health Equity ResearchUniversity of Tennessee Health Science Center College of Medicine Memphis Tennessee USA
6. Division of Preventive MedicineUniversity of Alabama Birmingham School of Medicine Birmingham Alabama USA
7. Department of Radiation OncologyUniversity of Texas MD Anderson Cancer Center Houston Texas USA