1. Infectious Diseases Unit, San Martino Policlinico Hospital—IRCCS for Oncology and Neurosciences, Genoa, Italy
2. Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
3. Department of Infectious Diseases, Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS), Palermo, Italy
4. Division of Infectious Diseases, Department of Medicine, Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy
5. Department of Pulmonology, Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy