1. Imperial College London, Department of Medicine, London, United Kingdom.
2. ViiV Healthcare Ltd., Clinical Sciences Group, London, United Kingdom.
3. University of California, San Diego, Departments of Neurosciences and Psychiatry, San Diego, CA, USA.
4. Memorial Healthcare System, Department of Pathology, Hollywood, FL, USA.
5. Innsbruck Medical University, Centre for Chemistry and Biomedicine, Innsbruck, Austria.
6. Imperial College London, Centre for Immunology and Vaccinology, London, United Kingdom.