[1] Univ Louisville, Sch Med, Dept Pediat, Div Pediat Clin & Translat Res, Louisville, KY 40292 USA
[2] Univ Louisville, Sch Med, Inst Bioeth Hlth Policy & Law, Louisville, KY 40292 USA
[3] Univ Calif San Diego, Dept Pathol, Res Eth Program, La Jolla, CA 92093 USA
[4] Rady Childrens Hosp San Diego, Bioeth Program, San Diego, CA USA
[5] Med Univ South Carolina, Dept Surg, Charleston, SC 29425 USA
[6] Med Univ South Carolina, Inst Human Values Hlth Care, Charleston, SC 29425 USA