Affiliation: | aMicrobiology and Virology Unit, General Hospital of Pescara, Pescara, Italy;bInfectious Disease Unit, General Hospital of Pescara, Pescara, Italy;cObstetrics and Gynaecology Unit, General Hospital of Pescara, Pescara, Italy;dDepartment of Epidemiology and Public Health, University of Chieti, Chieti, Italy;ePaediatric Unit, University and Hospital of L''Aquila, L''Aquila, Italy |