1. Department of Medical Sciences, Division of Emergency Medicine and High Dependency Unit, University of Turin, 10126 Turin, Italy
2. Department of Medical Sciences, Infectious Diseases, University of Turin, 10126 Turin, Italy
3. Department of General and Specialized Medicine, Internal Medicine 2, Città Della Salute e Della Scienza di Torino University Hospital, 10126 Turin, Italy
4. Residency Program in Emergency Medicine, University of Turin, 10126 Turin, Italy
5. Internal Medicine Unit, San Giovanni Bosco Hospital, Local Healthcare Unit of the Città di Torino, 10154 Turin, Italy
6. Internal Medicine, Ordine Mauriziano Hospital, 10128 Turin, Italy
7. Emergency Department, Maria Vittoria Hospital, Local Healthcare Unit of the Città di Torino, 10144 Turin, Italy
8. Residency Program in Internal Medicine, University of Turin, 10126 Turin, Italy
9. Emergency Department, Ordine Mauriziano Hospital, 10128 Turin, Italy
10. Molecular Biology and Microbiology Unit, Amedeo di Savoia Hospital, Local Healthcare Unit of the Città di Torino, 10149 Turin, Italy
11. Microbiology and Virology Unit, Città Della Salute e Della Scienza di Torino University Hospital, 10126 Turin, Italy
12. High Dependency Unit, Emergency Department, San Giovanni Bosco Hospital, Local Healthcare Unit of the Città di Torino, 10154 Turin, Italy
13. Department of Medical Sciences, Internal Medicine 2, University of Turin, 10126 Turin, Italy