1. Department of Medical and Surgical Sciences for Children and Adults University of Modena and Reggio Emilia School of Medicine, Via Campi 287 41125 Modena Italy
2. Infectious Diseases Clinics University Hospital, via del Pozzo 71 41124 Modena Italy
3. Department of Anesthesia and Intensive Care University Hospital, via del Pozzo 71 41124 Modena Italy