1. Department of Internal Clinical Sciences, Anaesthesiology and Cardiovascular Sciences Sapienza Università di Roma Rome Italy
2. Unit of Infectious Diseases University Hospital Padua Italy
3. Infectious Disease Unit Department of Mental and Physical Health and Preventive Medicine University of Campania Luigi Vanvitelli Naples Italy
4. Laboratory Affiliated to Istituto Pasteur Italia – Fondazione Cenci Bolognetti Rome Italy