Author Affiliations: 1 Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda 2 Microbiome Program, Center for Individualized Medicine, Mayo Clinic, Rochester, Minnesota 3 Department of Surgery, Mayo Clinic, Rochester, Minnesota 4 Health Sciences Research, Mayo Clinic, Rochester, Minnesota 5 Department of P...