1. Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry University of Catania Catania Italy
2. Unit of Pediatrics and Pediatric Emergency, Pediatric COVID‐19 Center, AOU “Policlinico”, PO “SanMarco” University of Catania Catania Italy
3. Department of Clinical and Experimental Medicine University of Catania Catania Italy
4. University of Messina, AOU “G. Martino”, COVID Hospital Messina Italy
5. Department of Medical Oncology Istituto Nazionale Tumori, IRCCS, CRO Aviano Italy
6. Neonatal Intensive Care Unit [NICU], Neonatal COVID‐19 Center, AOU “Policlinico”, PO “San Marco University of Catania Catania Italy