[1] Seattle Childrens Hosp & Res Inst, Treuman Katz Ctr Pediat Bioeth, Seattle, WA USA
[2] Univ Washington, Sch Med, Dept Pediat, Seattle, WA 98195 USA
[3] Univ Washington, Sch Med, Inst Publ Hlth Genet, Seattle, WA USA
[4] Univ Washington, Sch Med, Dept Bioeth & Humanities, Seattle, WA USA
[5] Univ Arizona, Native Nations Inst, Udall Ctr Studies Publ Policy, Tucson, AZ USA
[6] Univ Arizona, Mel & Enid Zuckerman Coll Publ Hlth, Tucson, AZ USA