1. Department of Pathology and Laboratory Medicine; David Geffen School of Medicine; University of California Los Angeles; Los Angeles California
2. Department of Molecular, Cell and Developmental Biology; University of California Los Angeles; Los Angeles California
3. International Skeletal Dysplasia Registry; University of California Los Angeles; Los Angeles California
4. Division of Medical Genetics; Department of Human Genetics; Emory University; Decatur Georgia
5. Departments of Orthopaedic Surgery; Los Angeles California
6. Human Genetics; Los Angeles California
7. Obstetrics and Gynecology; University of California Los Angeles; Los Angeles California