| Affiliation: | 1. Institute for Technology Assessment, Massachusetts General Hospital, Boston, Massachusetts;12. Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, Massachusetts;3. Harvard Medical School, Boston, Massachusetts;4. Department of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, Georgia;6. Department of Health Policy and Management, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania;5. University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania;7. Houston Veterans Affairs Health Services Research and Development Center of Excellence, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas;1. Gastroenterology and Gastrointestinal Endoscopy Service, University of Milan, IRCCS Policlinico Hospital, Milano, Italy;1. Department of Analytical Chemistry, University of Almería, 04120 Almería, Spain;2. Department of Environmental Chemistry, IIQAB, 08034 Barcelona, Spain |
