1. Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
2. Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina, USA
3. Hussman School of Media and Journalism, University of North Carolina, Chapel Hill, North Carolina, USA
4. College of Health and Human Performance, East Carolina University, Greenville, North Carolina, USA
5. Boston University School of Public Health, Boston, Massachusetts, USA