1. Division of Anatomic Pathology, Mayo Clinic, Rochester, MN
2. Department of Pathology, Cleveland Clinic, Cleveland, OH
3. Department of Pathology, Emory University, Atlanta, GA
4. Department of Pathology, University of California, Los Angeles
5. Department of Pathology, University of Michigan, Ann Arbor
6. Department of Pathology, Koc University, Istanbul, Turkey
7. Hospital Pathology Associates, Minneapolis, MN
8. Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
9. Department of Surgery, Mayo Clinic, Rochester, MN
10. Department of Health Sciences Research, Mayo Clinic, Rochester, MN