1. Department of Medicine, Riverside Community Hospital, Riverside, California, USA
2. Department of Medicine, University of California, Riverside School of Medicine, Riverside, California, USA
3. Hepatitis B Foundation, Doylestown, Pennsylvania, USA
4. School of Medicine, Reno, Reno, Nevada, USA
5. Department of Medicine, Las Vegas, Las Vegas, Nevada, USA
6. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California, USA
7. Loma Linda University Transplant Institute, Loma Linda, California, USA