1 School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA. Electronic address: matthew_leblanc@unc.edu.
2 Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA.
3 Department of Health Policy and Management, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
4 School of Medicine, Washington University in St. Louis, St. Louis, MO, USA.