1. Treuman Katz Center for Pediatric Bioethics, Seattle Children’s Research Institute, and
2. Departments of Pediatrics and
3. Departments of Health Services and
4. Medicine, University of Washington School of Medicine, Seattle, Washington;
5. Epidemiology, University of Washington School of Public Health, Seattle, Washington;
6. Communicable Disease Epidemiology and Immunization Section, Public Health–Seattle and King County, Seattle, Washington; and
7. Department of Bioethics, Center for Ethics, Humanities and Spiritual Care, Cleveland Clinic, Cleveland, Ohio