1. Respiratory Diseases Unit, Department of Medical Sciences, University Hospital of Siena (Azienda Ospedaliera Universitaria Senese, AOUS), Siena, Italy
2. Diagnostic Imaging Unit, Department of Radiological Sciences, University Hospital of Siena (Azienda Ospedaliera Universitaria Senese, AOUS), Siena, Italy
3. Emergency Diagnostic, Department of Emergency and Urgency and Transplants, University Hospital of Siena (Azienda Ospedaliera Universitaria Senese, AOUS), Siena, Italy
4. Microbiology and Virology Unit, Department of Innovation, Experimentation and Clinical Research, University Hospital of Siena (Azienda Ospedaliera Universitaria Senese, AOUS), Siena, Italy