1 Department of Clinical and Molecular Medicine, "Sapienza" University, S. Andrea University Hospital, Rome, Italy.
2 Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy.
3 Clinical Division of Infectious Diseases, National Institute for Infectious Diseases Lazzaro Spallanzani-Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy.
4 Department of Internal Clinical Sciences, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy.