1. University of Southern California; Los Angeles California
2. Einstein Medical Center; Philadelphia Pennsylvania
3. University of North Carolina; Chapel Hill North Carolina
4. University of Michigan; Ann Arbor Michigan
5. Duke University; Durham North Carolina
6. Indiana University School of Medicine; Indianapolis Indiana
7. Wake Forest University School of Medicine; Winston-Salem North Carolina
8. Liver Diseases Research Branch; National Institute of Diabetes and Digestive and Kidney Diseases; National Institutes of Health; Bethesda Maryland
9. National Center for Natural Product Research; School of Pharmacy; University of Mississippi; University City Mississippi
10. Laboratory of Pathology; National Cancer Institute; Bethesda Maryland