1. Department of Bioengineering; Center for Musculoskeletal Research; University of California-San Diego; 9500 Gilman Dr. La Jolla California 92093
2. Orthopedic Division; Rady Children's Hospital; San Diego. 3020 Children's Way, MC 5054 San Diego California 92123
3. Department of Mechanical Engineering; California Polytechnic State University; 1 Grand Avenue San Luis Obispo California 93405
4. Center for Hip Preservation and Children's Orthopaedics, Inc.; 5471 Kearny Villa Rd, Suite 200 San Diego California 92123
5. Department of Orthopaedic Surgery; Center for Musculoskeletal Research; University of California-San Diego; 9500 Gilman Dr. La Jolla California 92093
6. Institute of Engineering in Medicine; Center for Musculoskeletal Research; University of California-San Diego; 9500 Gilman Dr. La Jolla California 92093