1. Division of Gastroenterology and Hepatology Department of Medicine San Antonio Military Medical Center Fort Sam Houston TX USA
2. Division of Gastroenterology Department of Medicine Veterans Affairs Puget Sound Health Care System Seattle WA USA
3. Division of Gastroenterology Department of Medicine University of Washington Seattle WA USA
4. Research and Development Veterans Affairs Puget Sound Health Care System Seattle WA USA
5. Liver Research Group ANU Medical School Australian National University at the Canberra Hospital Garran ACT Australia