Sapienza University of Rome, University of Milan - Clinic of Infectious Diseases and Tropical Medicine, Sapienza University of Rome, University of Milan, Sapienza University of Rome, Sapienza University of Rome, Sapienza University of Rome, Sapienza University of Rome - AOU Policlinico Umberto I of Rome, Sapienza University of Rome - Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, University of Milan - Clinic of Infectious Diseases and Tropical Medicine and Sapienza University of Rome