1. Department of Molecular Medicine, Infectious and Tropical Diseases Unit, Department of Medical Sciences, Padua University Hospital, Padua
2. Infectious Diseases Unit, Department of Medical Sciences, University of Turin at Amedeo di Savoia Hospital, Turin, Italy
3. HIV Neurobehavioral Research Program and Departments of Neurosciences and Psychiatry, School of Medicine, University of California, San Diego, California, USA
4. Chelsea and Westminster Foundation Trust
5. Imperial College London, London, UK
6. Unit of Psychiatry
7. Student at University of Padua, Padua University Hospital
8. University of Padua, Padua, Italy.