[1] Univ Penn, Dept Med Eth & Hlth Policy, Perelman Sch Med, Philadelphia, PA 19104 USA
[2] Univ Denver, Sturm Coll Law, Denver, CO USA
[3] Stanford Univ, Stanford Law Sch, Dept Med, Stanford, CA 94305 USA
[4] Freeman Spogli Freeman Spogli Inst Int Studies, Stanford, CA USA
[5] Carnegie Mellon Univ, Ctr Eth & Policy, Pittsburgh, PA 15213 USA
[6] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Smith Ctr Outcomes Res, Boston, MA 02115 USA
[7] Indiana Univ Sch Med, Dept Obstet & Gynecol, Indianapolis, IN 46202 USA
[8] Indiana Univ Sch Med, Dept Pediat, Indianapolis, IN 46202 USA
[9] Univ Chicago, Gen Internal Med Sect, Chicago, IL 60637 USA
[10] Univ Chicago, MacLean Ctr Clin Med Eth, Chicago, IL 60637 USA