1. Clinical Microbiology and Virology Unit, Department of Transfusion Medicine, Spirito Santo Hospital, Pescara, Italy
2. Infectious Diseases Unit, Spirito Santo Hospital, Pescara, Italy
3. Clinical Microbiology, Aging Research Center (Ce.S.I.), and Department of Biomedical Sciences, Gabriele d'Annunzio University of Chieti-Pescara, Italy