Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada. Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada. INQUIS Clinical Research Ltd. (formerly GI Labs), Toronto, Ontario, Canada. Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada. Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada. Population Health Research Institute, Hamilton Health Sciences Corporation, Hamilton, Ontario, Canada. Division of Endocrinology and Metabolism, Department of Medicine, St. Michael's Hospital, Toronto, Ontario, Canada. Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada. Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada. College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.