[1] Tauranga Hosp, Bay Plenty Dist Hlth Board, C O Orthopaed Dept, Cameron Rd, Tauranga 3110, New Zealand
[2] Tauranga Hosp, Orthopaed Dept, Bay Plenty Dist Hlth Board, Cameron Rd, Tauranga 3110, New Zealand
[3] Hutt Valley Hosp, Orthopaed Dept, Hutt Valley Dist Hlth Board, 638 High St, Lower Hutt 5010, New Zealand
[4] Univ Otago, Dept Surg & Anaesthesia, POB 7343,Wellington South, Wellington, New Zealand
[5] Tauranga Hosp, Orthopaed Dept, Bay Plenty Dist Hlth Board, Cameron Rd, Tauranga 3110, New Zealand