1. Department of Woman and Child Health and Public Health Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
2. Istituto di Microbiologia Università Cattolica del Sacro Cuore Roma Italia
3. Diagnostic and Interventional Ultrasound Unit, Valle del Serchio General Hospital Lucca Italy
4. Fondazione Toscana Gabriele Monasterio Pisa Italy
5. Pediatric Emergency Department Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico Rome Italy