1. Clinical Pharmacology and Toxicology, St Vincent's Hospital, Sydney,
2. Rheumatology Department, Royal Hobart Hospital, Hobart, Australia,
3. Department of Physiology and Pharmacology, University of New South Wales, Sydney,
4. Pharmacy Department, Sahlgrenska University Hospital, Goteborg, Sweden
5. Department of Clinical Pharmacology, Flinders Medical Centre, Bedford Park, Adelaide,