1 *From the Department of Medical Biotechnologies, University of Siena, Siena, Italy; †Intensive Care Unit CTO, Florence Careggi University Hospital, Florence, Italy; ‡Department of Health Sciences, University of Florence, Florence, Italy; §Pediatric Infectious Diseases Unit, Meyer Children's University Hospital, Florence, Italy; ¶Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; ‖Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Florence, Italy; and **Don Carlo Gnocchi Foundation, Florence, Italy.