1. Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA.
2. Department of Surgery, Mayo Clinic, Rochester, MN, USA.
3. Department of Veterinary Preventive Medicine, Ohio State University, Columbus, OH, USA.
4. Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.
5. Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.
6. Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA.
7. Department of Laboratory Medicine and Pathology, Division of Anatomic Pathology, Mayo Clinic, Rochester, MN, USA.
8. Department of Laboratory Medicine and Pathology, Division of Clinical Microbiology, Mayo Clinic, Rochester, MN, USA.
9. Division of Gastroenterology, Mayo Clinic, Jacksonville, FL, USA.
10. Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.