[1] UNIV NEW S WALES,NATL CTR HIV EPIDEMIOL & CLIN RES,150 ALBION ST,SURREY HILLS,NSW 2010,AUSTRALIA
[2] MELBOURNE STD CTR,MELBOURNE,VIC 3000,AUSTRALIA
[3] SYDNEY STD CTR,SYDNEY,NSW 2000,AUSTRALIA
[4] LYGON MED CTR,N CARLTON,VIC 3053,AUSTRALIA
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