[1] Duke Univ, Med Ctr, Dept Obstet & Gynecol, Durham, NC 27710 USA
[2] Duke Univ, Ctr Study Med Eth & Humanities, Durham, NC 27710 USA
[3] Duke Univ, Dept Med, Durham, NC 27710 USA
[4] Duke Univ, Ctr Palliat Care, Durham, NC 27710 USA
[5] Duke Univ, Inst Genome Sci & Policy, Ctr Genome Eth Law & Policy, Durham, NC 27710 USA
[6] Johns Hopkins Univ, Dept Med, Baltimore, MD USA
[7] Johns Hopkins Univ, Phoebe R Berman Bioeth Inst, Baltimore, MD USA
[8] Johns Hopkins Univ, Dept Hlth Policy & Management, Bloomberg Sch Publ Hlth, Baltimore, MD USA
[9] Johns Hopkins Univ, Div Reprod Endocrinol, Dept Gynecol & Obstet, Baltimore, MD USA