1. School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4059, Australia
2. School of Medicine, CMNHS, Fiji National University, Suva, Fiji
3. The Albion Centre, Directorate of Planning and Population Health SESLHD/WHO Collaborating Centre for Capacity Building and Health Care Worker Training in HIV/AIDS Care, Treatment and Support, Sydney, NSW 2010, Australia