Vitamin D and Early-Onset Colorectal Cancer-Rays of Hope?

Affiliations

• ¹ Division of Public Health Sciences, Department of Surgery, Alvin J. Siteman Cancer Center, Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri.
• ² Clinical and Translational Epidemiology Unit, Department of Medicine, Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; Broad Institute of MIT and Harvard, Cambridge, Massachusetts; Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts. Electronic address: achan@partners.org.