Laura Liliana Obregon1, Kwonho Jeong2, Zachariah P Hoydich3, Jonathan Yabes4, Joseph Pilewski5, Connie Richless5, Laura T Moreines6, Elisabeth P Dellon7, Christopher H Goss8, Robert M Arnold3, Dio Kavalieratos9. 1. H. John Heinz III College of Information Systems and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA. 2. Center for Research on Health Care Data Center, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. 3. Section of Palliative Care and Medical Ethics, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. 4. Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. 5. Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. 6. Department of Geriatrics, Northeast Medical Group, Yale New Haven Health System, New Haven, Connecticut, USA. 7. Division of Pulmonology, Department of Pediatrics, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA. 8. Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, Washington, USA. 9. Section of Palliative Care and Medical Ethics, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA diok@pitt.edu.