1. Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
2. Clinical Evaluation Research Unit, Kingston General Hospital, Kingston, Ontario, Canada
3. Surgery, University of Texas, Houston, Texas, USA
4. Food Science and Nutrition, University of Minnesota, St Paul, Minnesota, USA
5. School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, USA
6. Clinical Nutrition Support Services, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
7. Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
8. Surgery, Intermountain Medical Center, Murray, Utah, USA
9. Food and Nutrition, Rush University Medical Center, Chicago, Illinois, USA