Relationship between Objectively and Subjectively Measured Physical Activity in Adolescents during and after COVID-19 Restrictions

Behavioral and Emotional Changes in Early Childhood during the COVID-19 Pandemic

Project Cope: An Investigation of Daily Experiences of Stress, Physical Activity, and Sleep During the COVID-19 Pandemic 

Changes in physical activity and rest-activity circadian rhythm among Hong Kong community aged population before and during COVID-19. 

Physical Activity, Sedentary Behavior, Sleep and Self-Regulation in Spanish Preschoolers during the COVID-19 Lockdown.