1. Emergency Physician, Christchurch Hospital, Christchurch, New Zealand;
2. Toxicologist National Poisons Centre, University of Otago, Dunedin, New Zealand;
3. Scientific Officer, Toxicology, Specialist Cluster, Canterbury Health Laboratories, Christchurch, New Zealand;
4. Toxicology Section Head, Specialist Cluster, Canterbury Health Laboratories, Christchurch, New Zealand;
5. Emergency Physician, Christchurch Hospital, Christchurch, New Zealand