Silva, Danilo Rodrigues Pereira da, André Oliveira Werneck, Paul Collings, Rômulo Araújo Fernandes, Enio Ricardo Vaz Ronque, Luís Bettencourt Sardinha, and Edilson Serpeloni Cyrino. 2019. “Identifying Children Who Are Susceptible to Dropping Out from Physical Activity and Sport: A Cross-Sectional Study”. São Paulo Medical Journal 137 (4):329-35. https://periodicosapm.emnuvens.com.br/spmj/article/view/916.