1. Division of Gastroenterology/Hepatology; Indiana University; Indianapolis; IN; USA
2. Department of Internal Medicine; University of North Carolina at Chapel Hill; Chapel Hill; NC; USA
3. Liver Disease Research Branch; NIH/NIDDK; Bethesda; MD; USA
4. Department of Internal Medicine; University of Michigan; Ann Arbor; MI; USA
5. Protein Analysis Research Center; Indiana University; Indianapolis; IN; USA
6. Duke Clinical Research Institute; Durham; NC; USA