1. Biomedical Ethics Research Program, Mayo Clinic Rochester Minnesota USA
2. Division of General Internal Medicine Mayo Clinic Scottsdale Arizona USA
3. Department of Medicine, Division of Geriatrics University of California, San Francisco San Francisco California USA
4. San Francisco Veterans Affairs Medical Center San Francisco California USA
5. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School Boston Massachusetts USA
6. Harvard Medical School Center for Bioethics Boston Massachusetts USA
7. Department of Medicine Georgetown University Washington DC USA
8. Department of Philosophy Georgetown University Washington DC USA
9. Kennedy Institute of Ethics, Georgetown University Washington DC USA
10. Division of Pulmonary and Critical Care Medicine Mayo Clinic Rochester Minnesota USA