1. Newcastle-under-Lyme Primary Care Trust/ Borough Council; Directorate of Public Health; Civic Offices Merrial Street Newcastle-under-Lyme UK ST5 2AZ
2. University of Manchester; Cochrane Bone, Joint and Muscle Trauma Group; School of Translational Medicine 2nd Floor Stopford Building, Oxford Road Manchester UK M13 9PT
3. University Hospital of North Staffordshire; Foot and Ankle Orthopaedics; Princes Road Stoke-on-Trent Staffordshire UK ST4 7LN