“…A highly collaborative field involves the study of esophageal and gastrointestinal motility in children, in which members from different departments interact to produce relevant results. In this respect, active groups are found in several institutions in Brazil, including the Federal University of Sao Paulo, 52 the Ribeirao Preto campus of University of Sao Paulo, 53 the State University of Campinas, 54 and the Federal University of Rio Grande do Sul in Southern Brazil 55 …”