[1] University College Cork,The School of Medicine
[2] Mid Western Regional Hospital,Department of GU/STD Medicine
[3] University of Limerick,Department of Mathematics and Statistics
[4] Cork University Hospital,Department of Infectious Diseases
[5] St Vincent’s Hospital,HIV, Immunology and Infectious Diseases Clinical Services Unit
[6] University for New South Wales,National Centre for HIV Epidemiology and Clinical Research