1. Department of Oncology and Hemato‐Oncology University of Milan Milan Italy
2. SC Clinical Chemistry and Microbiology ASST Grande Ospedale Metropolitano Niguarda Milan Italy
3. Department of Brain and Behavioral Sciences University of Pavia Pavia Italy
4. Infectious Diseases Unit ASST Grande Ospedale Metropolitano Niguarda Milan Italy
5. Healthcare Management Department ASST Grande Ospedale Metropolitano Niguarda Milan Italy
6. Pneumology Unit ASST Grande Ospedale Metropolitano Niguarda Milan Italy
7. Internal Medicine Department ASST Grande Ospedale Metropolitano Niguarda Milan Italy
8. Rheumatology Unit ASST Grande Ospedale Metropolitano Niguarda Milan Italy
9. Biostatistics Office L'altrastatistica srl‐Consultancy & Training Rome Italy
10. Emergency Department ASST Grande Ospedale Metropolitano Niguarda Milan Italy