1 Christina Pagel is with the Clinical Operational Research Unit, University College, London, United Kingdom, and The Commonwealth Fund, 2016-2017 Harkness Fellowship Program in Health Care Policy and Practice, New York, NY. David W. Bates is with the Division of General Internal Medicine, Brigham and Women's Hospital, Boston, MA. Don Goldmann is with the Institute for Healthcare Improvement, Cambridge, MA. Christopher F. Koller is with the Milbank Memorial Fund, New York, NY.