1 Internal Medicine and Covid Unit, Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties, PROMISE, University of Palermo School of Medicine, Via del Vespro 141, 90127, Palermo, Italy.
2 Internal Medicine and Covid Unit, Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties, PROMISE, University of Palermo School of Medicine, Via del Vespro 141, 90127, Palermo, Italy. lydia.giannitrapani@unipa.it.
3 Institute for Biomedical Research and Innovation (IRIB), National Research Council, Palermo, Italy. lydia.giannitrapani@unipa.it.