1 Department of Humanities, Letters, Cultural Heritage and Educational Studies, University of Foggia, Foggia, Italy.
2 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Italian Academy of Pediatrics, Milan, Italy; Chair of Pediatrics, Institute for Scientific Research Casa Sollievo, University of Foggia, Foggia, Italy. Electronic address: mpm@unifg.it.
3 Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy.
4 Department of Psychology and Education of Pegaso University, Naples, Italy.