1. Department of Family and Community Medicine, University of California San Francisco, San Francisco, California, USA
2. UniCamillus, Saint Camillus International University of Health Sciences, Rome, Italy
3. LabCorp-Monogram Biosciences, South San Francisco, California, USA
4. Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
5. Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, California, USA