1. Barts and The Royal London Hospital NHS
Trust, Department of Trauma and Orthopaedics, Whitechapel
Road, London E1 1BB, UK.
2. Barts and The Royal London Hospital NHS
Trust, The London Hip Preservation Unit, Department
of Trauma and Orthopaedics, Whitechapel Road, London
E1 1BB, UK.
3. NYU Hospital for Joint Diseases, Department
of Orthopaedics, 301 East 17th Street, New
York, New York 10003, USA.
4. Barts and The London NHS Trust, The
London Hip Preservation Unit, Department of
Trauma and Orthopaedics, Whitechapel Road, London
E1 1BB, UK.