1 Discipline of Medicine, The Queen Elizabeth Hospital, University of Adelaide, South Australia.
2 Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
3 Section of Digestive Diseases, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut.
4 Center for Outcomes Research and Evaluation (CORE) and Section of General Internal Medicine, Department of Internal Medicine and Department of Health Policy and Management, School of Public Health and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
5 Center for Outcomes Research and Evaluation (CORE) and Section of General Internal Medicine, Department of Internal Medicine and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
6 Center for Outcomes Research and Evaluation (CORE) and Department of Health Policy and Management, School of Public Health and Section of Cardiovascular Medicine, Department of Internal Medicine and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
7 Center for Outcomes Research and Evaluation (CORE) and Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut.