1. Department of Microbiology and Immunology, University of Melbourne, Melbourne, Australia
2. HIV-NAT and Chulalongkorn University, Bangkok, Thailand
3. Victorian Infectious Diseases Reference Laboratory, Melbourne, Australia
4. Gastroenterology Unit, St. Vincent's Hospital, Melbourne, Australia
5. Infectious Diseases Unit, Alfred Hospital, Melbourne, Australia
6. National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Sydney, Australia
7. Department of Immunology, Monash University, Melbourne, Australia
8. Department of Medicine, Royal Melbourne Hospital, Melbourne, Australia
9. Department of Medicine, Monash University, Melbourne, Australia