1. Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 116 35 Athens, Greece
2. National and Kapodistrian University of Athens, Medical School, 2nd Department of Psychiatry, University ‘ATTIKON’ General Hospital, 124 62 Athens, Greece
3. Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece