1. Massachusetts General Hospital Institute for Technology AssessmentBoston MA
2. Harvard Medical SchoolBoston MA
3. Liver Center and Gastrointestinal DivisionMassachusetts General HospitalBoston MA
4. Department of Industrial and Systems EngineeringGeorgia Institute of TechnologyAtlanta GA
5. Department of Medicine, Gastroenterology and HepatologyBaylor College of MedicineHouston TX
6. Houston Veterans Affairs Health Services Research and Development Center of ExcellenceMichael E. DeBakey Veterans Affairs Medical CenterHouston TX
7. Department of Health Policy and ManagementUniversity of Pittsburgh Graduate School of Public HealthPittsburgh PA
8. University of Pittsburgh School of MedicinePittsburgh PA
9. University of California San Francisco Medical CenterSan Francisco CA