?:authorAffiliation
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[\'Virology Unit, Department of Medical Biotechnologies, University of Siena, Siena, Tuscany, Italy.\', \'Microbiology and Virology Unit, Santa Maria alle Scotte University Hospital, Siena, Tuscany, Italy.\', \'Preventive Medicine and Health Surveillance Unit, Santa Maria alle Scotte University Hospital, Siena, Tuscany, Italy.\', \'Anesthesia and Intensive Care Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Tuscany, Italy.\']
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