1. Department of Molecular Medicine, Arthritis Research The Scripps Research Institute La Jolla California USA
2. Department of Orthopaedic Surgery The University of Tokyo Tokyo Japan
3. Shiley Center for Orthopaedic Research & Education at Scripps Clinic La Jolla California USA
4. Department of Orthopaedic Biomaterial Science Osaka University Graduate School of Medicine Osaka Japan
5. Exactech, Inc. Gainesville Florida USA