1. Flinders' Medical Centre, Bedford Park, SA 5042
2. Christine J. Kilpatrick, MB, BS, Neurology Registrar
3. Antony G. Speer, MB, BS, BE, Gastroenterology Registrar
4. Brian M. Tress, BM, BS, MRACR, FRCR, First Assistant, Department of Radiology
5. The Royal Melbourne Hospital, Parkville, Vic. 3050
6. John O. King, MD, FRACP, Physician and Assistant Neurologist