1 Washington University IBD-Nutrition Study Team, Department of Pathology and Immunology and, Department of Medicine, Washington University School of Medicine.
2 Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Missouri; Washington University IBD-Nutrition Study TeamDepartment of Pathology and Immunology andDepartment of MedicineWashington University School of MedicineSt Louis, Missouri.