1. Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
2. Department of Internal Medicine, Division of Infectious Diseases, University of Kansas Medical Center, Kansas City, Kansas
3. Awanui Labs, Wellington Regional Hospital, Wellington, New Zealand
4. Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas
5. Department of Internal Medicine, Division of Gastroenterology, University of Kansas Medical Center, Kansas City, Kansas