1. Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington 98195-6500,
United States
2. Department
of Molecular, Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, California
90095, United States
3. Department
of Orthopaedic Surgery, University of California, Los Angeles, Los Angeles, California 90095-6902, United
States
4. International Skeletal
Dysplasia Registry, Cedars-Sinai Medical Center, Los Angeles, California 90048, United States