1 Department of Infectious Diseases, Centre for Antibiotic Allergy and Research, Austin Health, Heidelberg, Victoria, Australia; Department of Allergy and Immunology, Massachusetts General Hospital, Boston, Mass.
2 Wonthaggi Medical Group, Wonthaggi, Victoria, Australia.
3 Heathmont General Practice, Heathmont, Victoria, Australia.
4 Camberwell Road Medical Practice, IPN Medical Centres, Hawthorn East, Victoria, Australia.
5 Department of Infectious Diseases, Centre for Antibiotic Allergy and Research, Austin Health, Heidelberg, Victoria, Australia; Department of Infectious Diseases, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.
6 Department of Infectious Diseases, Centre for Antibiotic Allergy and Research, Austin Health, Heidelberg, Victoria, Australia; Department of Infectious Diseases, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia. Electronic address: kyra.chua@austin.org.au.