Patterns of physical performance spurts during adolescence: a cross-cultural study of Canadian, Brazilian and Portuguese boys - Guimarães, Eduardo; Baxter-Jones, Adam D G; Pereira, Sara; Garbeloto, Fernando; Freitas, Duarte; Janeira, Manuel A; Tani, Go; Katzmarzyk, Peter T; Silva, Simonete; Bailey, Donald A; Mirwald, Robert L; José Maia (Annals of Human Biology, 2020)