[1] UNIV CALIF SAN FRANCISCO, DEPT PEDIAT, SAN FRANCISCO, CA 94143 USA
[2] UNIV CALIF SAN FRANCISCO, CTR CRANIOFACIAL ANOMALIES, SAN FRANCISCO, CA 94143 USA
[3] UNIV IOWA, DEPT PEDIAT, IOWA CITY, IA 52242 USA
[4] UNIV SALT LAKE CITY, DEPT PEDIAT, SALT LAKE CITY, UT USA
[5] UNIV KENTUCKY, DEPT PEDIAT, LEXINGTON, KY 40506 USA