1. Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center Georgetown University Medical Center Washington District of Columbia
2. Department of Medicine, Howard University Cancer Center Howard University Washington District of Columbia
3. Department of Biostatistics, Bioinformatics & Biomathematics, Georgetown Lombardi Comprehensive Cancer Center Georgetown University Medical Center Washington District of Columbia
4. Office of Minority Health and Health Disparities Research Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center Washington District of Columbia
5. Department of Kinesiology, University of Maryland School of Public Health College Park Maryland