1. 1st Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
2. 1st Department of Pneumonology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
3. Ministry of Labor and Social Affairs, National Focal Point of the European Agency for Safety and Health at Work (EU‑OSHA), 10110 Athens, Greece
4. Department of Imaging and Interventional Radiology, ‘Sotiria’ Hospital, 11527 Athens, Greece
5. Hellenic Institute for Occupational Health and Safety (ELINYAE), 10445 Athens, Greece
6. Directorate of Public Health, Region of Crete, 71201 Heraklion, Greece
7. Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, 15772 Athens, Greece
8. National Actuarial Authority, 10559 Athens, Greece
9. Ministry of Interior, 10563 Athens, Greece
10. Laboratory of Hygiene and Environmental Protection, Democritus University of Thrace, School of Health Sciences, Faculty of Medicine, 68100 Alexandroupolis, Greece
11. General Chemical State Laboratory of Greece, 11521 Athens, Greece
12. Cardiology Department, University General Hospital of Larissa, 41110 Larissa, Greece
13. Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece