1 Departments of Epidemiology and Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, USA.
2 Clinical and Translational Epidemiology Unit and Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
3 Ludwig Center and Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, MD, USA. bertvog@gmail.com wwillett@hsph.harvard.edu.
4 Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA.
5 Departments of Epidemiology and Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, USA. bertvog@gmail.com wwillett@hsph.harvard.edu.
6 Division of Biostatistics and Bioinformatics, Department of Oncology, Sidney Kimmel Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
7 Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.