1. Second Department of Psychiatry, National and Kapodistrian University of Athens, ‘Attikon’ University General Hospital, Athens 12462, Greece
2. Second Department of Neurology, National and Kapodistrian University of Athens, ‘Attikon’ University General Hospital, Athens 12462, Greece
3. Clinical Microbiology Laboratory, National and Kapodistrian University of Athens, ‘Attikon’ University General Hospital, Athens 12462, Greece
4. Allergy Unit, Second Department of Dermatology and Venereology, Medical School, National and Kapodistrian University of Athens, ‘Attikon’ University General Hospital, Athens 12462, Greece
5. Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), Athens 11635, Greece
6. Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada
7. Laboratory of Clinical Virology, Medical School, University of Crete, Heraklion 71003, Greece