Cardiorespiratory fitness and socioeconomic influences in Chilean schoolchildren: a cross-sectional study Rodrigo Yáñez-Sepúlveda; Vicente Javier Clemente-Suárez; Josivaldo de Souza-Lima; Gerson Ferrari; Juan Hurtado-Almonacid; Juan Pablo Zavala-Crichton; Claudio Hinojosa-Torres; Tomás Reyes-Amigo; Jacqueline Páez-Herrera; Guillermo Cortés-Roco; Pedro Valdivia-Moral; Jorge Olivares-Arancibia; Sandra Mahecha-Matsudo;

Association between abdominal obesity, screen time and sleep in adolescents Isabela dos Reis de Oliveira; Nathália Maximiano Soares Maciel; Bianca Tomaz da Costa; Anne Danieli Nascimento Soares; Júnia Maria Geraldo Gomes;

Unraveling the relationship between childhood dry eye symptoms and sleep patterns Qing He; Ziwen Sun; Ruixin Li; Yanling Wang; Haoru Li; Desheng Song; Bei Du; Lin Liu; Ruihua Wei;