1. Department of Clinical Microbiology St. James's Hospital Dublin Ireland
2. Irish Blood Transfusion Service National Blood Centre Dublin Ireland
3. Department of Genitourinary Medicine and Infectious Diseases St. James's Hospital Dublin Ireland
4. Gay Men's Health Service Meath Primary Care Centre Dublin Ireland
5. National Virus Reference Laboratory University College Dublin Belfield Dublin Ireland
6. Department of Clinical Virology St. James's Hospital Dublin Ireland