1. Cumming School of Medicine, University of Calgary, Alberta, Canada.
2. The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
3. Departments of Family Medicine and Nutritional Sciences, University of Michigan, Ann Arbor, MI, USA.
4. College of Nursing, University of Manitoba, Winnipeg, Canada.
5. Departments of Supportive Care Medicine and Medical Oncology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA.
6. Public Health Sciences and Clinical Research Divisions, Fred Hutchinson Cancer Center, Seattle, WA, USA.