1. First Department of Propedeutic Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
2. Renal Transplantation Unit, Laiko General Hospital, 11527 Athens, Greece
3. N.S. Christeas Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
4. Cardiothoracic Department, Derriford Hospital, University Hospitals Plymouth, PL6 8DH Plymouth, United Kingdom,
5. Department of Infectious Diseases‑COVID‑19 Unit, Laiko General Hospital, 11527 Athens, Greece
6. Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece
7. Unit of Endocrinology, First Department of Internal Medicine, Laiko General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
8. Endocrinology Unit, Academic Department of Internal Medicine, Agioi Anargyroi General Oncology Hospital, National and Kapodistrian University of Athens, 14564 Athens, Greece
9. Second Department of Pulmonology, Sotiria Hospital, 11527 Athens, Greece
10. Department of Endocrinology and Nutrition, General Hospital Santa Lucia, 30202 Cartagena, Spain
11. 1st Pulmonology Department Sismanogleio Hospital, 15126 Athens, Greece
12. First Department of Surgery, Laiko General Hospital, 11527 Athens, Greece
13. Department of Hygiene, Epidemiology and Medical Statistics, 11527 Athens, Greece
14. Department of Surgery, Evgenideio Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
15. Second Department of Propedeutic Surgery, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece