1. William F. Connell School of Nursing, Boston College, Chestnut Hill, Massachusetts, USA.
2. Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
3. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
4. Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
5. Department of Pediatrics, Division of Hematology and Oncology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
6. School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
7. Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.