1. Department of Transfusion Medicine and Hematology, Carlo Poma Hospital, 46100 Mantua, Italy
2. North-Western Tuscany Blood Bank, Pisa University Hospital, 56124 Pisa, Italy
3. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA
4. Division of Infectious Diseases, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY 10467, USA
5. Department of Kinesiology and Community Healthy, University of Illinois at Urbana-Champaign, Champaign, IL 61801, USA
6. Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, MA 21205, USA
7. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA