1 From the Division of Nephrology and Hypertension and Kidney Transplantation (K.K.-Z.) and the Division of Palliative Medicine, Hospitalist Program (S.L.), University of California, Irvine, School of Medicine, Orange, and the Tibor Rubin Veterans Administration Healthcare System, Long Beach (K.K.-Z.) - both in California; and the Division of Bioethics and Palliative Care and Division of Nephrology, Department of Pediatrics, University of Washington School of Medicine, and Treuman Katz Center for Pediatric Bioethics, Seattle Children's Hospital - both in Seattle (A.W.).