In the research they participated 34 family pediatricians who included a total of 1,947 children in the study. Regional distribution was concentrated in some specific areas of our country: Veneto (10 pediatricians, 10,283 children), Lombardy (8, 7,390), Piedmont (6, 5,967), Sicily (4, 3,675). The other regions involved were Campania (2 pediatricians, 1,827 children), Friuli-Venezia Giulia, Puglia, Emilia-Romagna and Lazio (1 pediatrician per region with respectively 1,108, 1,050, 990 and 889 children)
