1. National Center for Ethics in Health Care, Veterans Health Administration, Washington, District of Columbia, USA
2. University of Maryland, Baltimore, Maryland, USA
3. Altarum, Washington, District of Columbia, USA
4. Fox Ethics Consulting, Arlington, Virginia, USA
5. Department of Bioethics, National Institutes of Health, Bethesda, Maryland, USA
6. Altarum Institute, Ann Arbor, Michigan, USA