1. Indiana University School of Medicine; Indianapolis IN
2. Center for Liver Disease and Department of Medicine; Inova Fairfax Hospital; Falls Church VA
3. Columbia University; New York NY
4. University of Chicago; Chicago IL
5. University of Florida; Gainesville FL
6. Northwestern University; Chicago IL
7. Pinnacle Clinical Research; San Antonio TX
8. Washington University School of Medicine; St. Louis MO
9. Virginia Commonwealth University; Richmond VA