1 The Edison Family Center for Genome Sciences and Systems Biology and Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, Missouri.
2 The Edison Family Center for Genome Sciences and Systems Biology and Department of Pathology and Immunology and Department of Molecular Microbiology and Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, Missouri.
3 Division of Gastroenterology, Inflammatory Bowel Disease Center, Washington University in St. Louis School of Medicine, Saint Louis, Missouri.