1. Nuffield Department of Clinical Medicine, John Radcliffe Hospital and Peter Medawar Building for Pathogen Research, Oxford University, Oxford OX1 3SY, United Kingdom
2. Institute of Emergent Infections of Humans, The James Martin 21st Century School, at The Peter Medawar Building for Pathogen Research, South Parks Road, Oxford, OX1 3SY, United Kindgom
3. Institute for Microbiology, Eidgenössische Technische Hochschule, CH-8092 Zürich, Switzerland
4. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, CH-8091 Zürich, Switzerland
5. Division of Infectious Diseases, University Hospital, CH-1211 Geneva, Switzerland
6. Department of Paediatrics, Nuffield Department of Medicine, Peter Medawar Building for Pathogen Research, Oxford OX1 3SY, United Kingdom
7. Partners AIDS Research Center, Massachusetts General Hospital, Charlestown, Massachusetts 02129
8. HIV Pathogenesis Programme, The Doris Duke Medical Research Institute, University of KwaZuluNatal, Durban, South Africa
9. Institute of Emergent Infections of Humans, The James Martin 21st Century School, at Zoology Department,Oxford University, South Parks Road, Oxford OX1 3PS, United Kingdom