1. Department of Clinical Pharmacology and Toxicology St Vincent's Hospital Darlinghurst New South Wales Australia
2. Department of Emergency Medicine St Vincent's Hospital Darlinghurst New South Wales Australia
3. Department of Psychiatry St Vincent's Hospital Darlinghurst New South Wales Australia
4. St Vincent's Clinical School, The University of New South Wales Darlinghurst New South Wales Australia
5. Drug Health, Royal Prince Alfred Hospital Sydney New South Wales Australia