“…The first year of the publications included in the review was 2005, and there was a peak in the years 2010 and 2011. The data refer to studies done in the states of Pernambuco 5 , Rio Grande do Sul 2,6 , Minas Gerais 7,8 , Rio de Janeiro 9,10,11,12 , and São Paulo 13,14,15,16,17 , besides one article that collected data directly from the Ministry of Health in Brasilia 18 . The studies that examined the most lawsuits (between 2,000 and 2,927 cases) were done in the states of São Paulo, Rio de Janeiro, and Santa Catarina 7,12,14,16,19 .…”