“…In all, 6 children (27.27%) were followed during one month -subjects 1, 2, 3, 9, 18 and 19, 12 children (54.55%) during 2 months -subjects 4,5,7,10,12,13,14,15,16,17,20,21 and 4 children (18.18%) during 3 months -subjects 6, 8, 11 and 22. The children were numbered and the respective results were organized according to age groups at the end of follow-up, and not according to the child's number.…”