1. Hosptial for Special Surgery, New York, New York, USA
2. Department of Orthopaedic Surgery, School of Medicine, Teikyo University, Tokyo, Japan
3. Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
4. School of Medicine, University of Maryland, Baltimore, Maryland, USA
5. Royal College of Surgeons in Ireland, Dublin, Ireland
6. East River Medical Imaging, New York, New York, USA