1 Division of Medical Ethics, Department of Population Health, NYU Grossman School of Medicine, New York, New York (T.S., B.P.).
2 Te Toka Tumai-Auckland City Hospital, Auckland, New Zealand (I.D.).
3 Department of Surgery, School of Medical Sciences, Westmead Institute for Medical Research, University of Sydney, Westmead Hospital, Westmead, New South Wales, Australia (W.J.H.).
4 Department of Medical Education, College of Medicine, Ewha Womans University, Seoul, Korea (I.K.).
5 Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland (M.M.M.).
6 Transplantation Research Institute, Seoul National University College of Medicine, Seoul, Korea (C.-G.P.).
7 Department of Surgery-Transplant Services, University of California, San Francisco, School of Medicine, San Francisco, California (P.S.).
8 Division of Cardiac Surgery and Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts (R.N.P.).