1. University of Michigan, MedSport, Department
of Orthopaedic Surgery, Lobby A, 24
Frank Lloyd Wright Drive, Ann Arbor, Michigan
48106, USA.
2. Hospital for Special Surgery, 535
East 70th Street, New York, New York
10021, USA.
3. Addenbrooke’s – Cambridge University Hospitals
NHS Foundation Trust, Box 37, Hills
Road, Cambridge CB2 0QQ, UK.