1 Center for Clinical and Translational Research, Seattle Children's Research Institute, Department of Pediatrics, University of Washington School of Medicine, Trueman Katz Center for Pediatric Bioethics, and Fred Hutchinson Cancer Research Center abby.rosenberg@seattlechildrens.org.
2 Center for Clinical and Translational Research, Seattle Children's Research Institute, Department of Pediatrics, University of Washington School of Medicine.