1. Department of Clinical Microbiology, University Hospital of Heraklion, Heraklion, Greece;
2. Alfa Institute of Biomedical Sciences (AIBS), Athens, Greece;
3. Department of Internal Medicine–Infectious Diseases, Iaso General Hospital, Athens, Greece;
4. Department of Internal Medicine, University of Crete School of Medicine, Heraklion, Greece;
5. Department of Applied Mathematics and Physics, National Technical University of Athens, Athens, Greece;
6. Department of Medicine, Tufts University School of Medicine, Boston, MA, USA