1. Center for Medical Ethics & Health Policy, Baylor College of Medicine, One Baylor Plaza, Suite 310D, Houston, TX 77030, USA
2. The RAND Corporation, 20 Park Plaza, Suite 20, Boston, MA 02116, USA
3. Tufts University School of Medicine, Boston, MA, USA
4. Tufts Clinical & Translational Science Institute, Boston, MA, USA
5. Center for Health Decision Science, Harvard T.H. Chan School of Public Health, 718 Huntington Avenue, 2nd Floor, Boston, MA 02115, USA