Vitamin D deficiency correlates with a reduced number of natural killer cells in intensive care unit (ICU) and non-ICU patients with COVID-19 pneumonia
1 First Department of Critical Care Medicine & Pulmonary Services, GP Livanos and M Simou Laboratories, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece.
2 First Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece.
4 Department of Immunology and Histocompatibility, Evangelismos Hospital, Athens, Greece.
5 First Department of Critical Care Medicine & Pulmonary Services, GP Livanos and M Simou Laboratories, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece; First Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece; Second Department of Critical Care, School of Medicine, National and Kapodistrian University of Athens, "Attikon" Hospital, Athens, Greece.
6 First Department of Critical Care Medicine & Pulmonary Services, GP Livanos and M Simou Laboratories, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece; First Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece.
7 First Department of Critical Care Medicine & Pulmonary Services, GP Livanos and M Simou Laboratories, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece; First Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece. Electronic address: akotanid@med.uoa.gr.