[1] Univ Utah, Div Med Genet, Salt Lake City, UT 84132 USA
[2] Univ Utah, Utah Birth Defect Network, Utah Dept Hlth, Salt Lake City, UT 84132 USA
[3] Univ Utah, Dept Family & Prevent Med, Salt Lake City, UT 84132 USA
[4] Univ Utah, Dept Family & Consumer Studies, Salt Lake City, UT 84132 USA
[5] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT 84132 USA
[6] Primary Childrens Med Ctr, Craniofacial Program, Salt Lake City, UT 84103 USA