1. Infectious Diseases Research Laboratory, 4th Department of Internal Medicine, Attikon General University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
2. 1st Department of Internal Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece
3. 2nd Department of Pathology, National and Kapodistrian University of Athens, Medical School, Attikon University Hospital, 12462 Athens, Greece
4. Department of Microbiology, Medical School, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
5. Department of Microbiology, University Hospital of Patras, 26504 Patras, Greece
6. Infectious Diseases Unit, 3nd Department of Paediatrics, School of Medicine, Aristotle University and Hippokration General Hospital, 54642 Thessaloniki, Greece
7. Department of Microbiology, Tzaneio General Hospital, 18536 Piraeus, Greece
8. Department of Clinical Microbiology, Evangelismos General Hospital, 10676 Athens, Greece
9. 1st Department of Internal Medicine, Thriasio General Hospital of Eleusis, 19600 Eleusis, Greece
10. Clinical Microbiology Laboratory, Thriasio General Hospital of Eleusis, 19600 Eleusis, Greece
11. Department of Microbiology, AHEPA University Hospital, 54636 Thessaloniki, Greece
12. 1st Department of Critical Care Medicine and Pulmonary Services, Evangelismos Hospital, National and Kapodistrian University of Athens Medical School, 10676 Athens, Greece
13. CureCancer, 15451 Athens, Greece
14. Clinical Microbiology Laboratory, General Hospital of Athens Georgios Gennimatas, 11527 Athens, Greece
15. School of Medicine, European University of Cyprus, Nicosia 2404, Cyprus
16. Intensive Care Unit, Laiko General Hospital, 11527 Athens, Greece
17. Department of Internal Medicine, Sotiria General and Chest Diseases Hospital of Athens, 11527 Athens, Greece
18. 3rd Department of Internal Medicine, Sotiria General and Chest Diseases Hospital of Athens, 11527 Athens, Greece
19. 2nd Department of Internal Medicine, Propaedeutic, Haematology Unit, Attikon University General Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
20. Athens Euroclinic, 11521 Athens, Greece