1. Department of Immunology and Allergy, Concord Hospital, Concord, NSW.
2. Flinders Medical Centre, Bedford Park, SA.
3. Department of Immunology, Royal Children's Hospital, Parkville, VIC.
4. Basger's Pharmacy, North Bondi, NSW.
5. Watkins Medical Centre, Brisbane, QLD.
6. Berowra Family Medical Practice, Sydney, NSW.