1. UCD School of Medicine, Dublin, Ireland
2. Mater Misericordiae University Hospital, Dublin, Ireland
3. Community Response Primary Alcohol and Hepatitis C Service, Dublin, Ireland
4. Victor Babes Clinical Hospital for Infectious and Tropical Diseases, Bucharest, Romania
5. Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
6. Institute of Global Health, University College London, London, UK
7. Infectious Diseases and Microbiology Unit, Hospital Universitario de Valme, Seville, Spain
8. School of Social and Community Medicine, University of Bristol, Bristol, UK