1. Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Panepistimiopolis, Athens, 15701, Greece,
2. HIV Infection Office, Hellenic Centre for Infectious Diseases Control, Makedonias 6-8, Athens, 10433, Greece
3. Department of Clinical Microbiology, Medical School of Athens, Aeginition Hospital, Vasilissis Sophias 72, Athens, 11528, Greece