1. Department of Surgery, Waitematā District Health Board, Auckland, New Zealand
2. Department of Orthopaedics, Lakes DHB, Rotorua, New Zealand
3. Department of Orthopaedics, Capital and Coast District Health Board,
4. Department of General Practice and Primary Health Care, the University of Auckland, Auckland, New Zealand
5. Department of Otorhinolaryngology, Canterbury District Health Board, Christchurch, New Zealand
6. Department of Surgery, Taranaki Base Hospital, New Plymouth, New Zealand