1. Laboratory of Hygiene and Environmental Protection, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
2. VELTIA Labs Crete ‑ Be Safer, 71304 Heraklion, Greece
3. Unit of Endocrinology, First Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
4. First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
5. Department of Infectious Diseases and COVID‑19 Unit, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
6. Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003, Heraklion, Greece