1. Department of Neurosurgery, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
2. Neurosurgery Navigator Team, Southland Hospital, Kew, Invercargill, New Zealand
3. Department of Neurosurgery, Christchurch Hospital, Christchurch, New Zealand
4. South Island Neurosurgery Services, Christchurch Hospital, Christchurch, New Zealand