1 Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
2 Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
3 Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada.
4 Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
5 Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
6 Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
7 Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA. wwillett@hsph.harvard.edu.
8 Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA. wwillett@hsph.harvard.edu.