1. Department of Clinical Immunology and Allergy, Royal North Shore Hospital, Sydney, Australia;
2. Centre for Infectious Diseases and Microbiology Public Health, Westmead, Australia;
3. Institute for Clinical Pathology and Medical Research—New South Wales Health Pathology, Westmead, Australia;
4. University of Sydney, Sydney, Australia;
5. Department of Ophthalmology, Royal North Shore Hospital, Sydney, Australia;
6. Department of Ophthalmology, Sydney Eye Hospital, Sydney, Australia;
7. Department of Clinical Microbiology and Infectious Diseases, Royal North Shore Hospital, Sydney, Australia