Sibling Resemblances in Physical Fitness in Three Distinct Regions in Peru: The Peruvian Sibling Study on Growth and Health - Santos, Carla; Bustamante, Alcibiades; Vasconcelos, Olga; Pereira, Sara; Garganta, Rui; Lightfoot, J. Timothy; Tani, Go; Hedeker, Donald; Katzmarzyk, Peter T; Maia, Jose (Behavior Genetics, 2022)