1. Junior Medical Officer, Royal Hobart Hospital, Hobart 7000, Tasmania, Australia; Clinical Lecturer, School of Medicine, University of Tasmania, Tasmania, Australia and University Associate, Menzies Institute for Medical Research, University of Tasmania, Tasmania, Australia
2. Senior Scientific Officer, SEALS Sutherland Centre of Immunology, Sutherland Hospital, New South Wales, Australia
3. Haematologist and Pathologist, Royal Hobart Hospital, Tasmania, Australia
4. Clinical Immunologist and Allergist, Royal Prince Alfred Hospital, New South Wales, Australia and Clinical Associate Professor, Sydney Medical School, University of Sydney, New South Wales, Australia