机译:Changes in Pediatric Movement Behaviors During the COVID-19 Pandemic by Stages of Lockdown in Ontario, Canada: A Longitudinal Cohort Study
University of Toronto,Hosp Sick Children;
Li Ka Shing Knowledge Inst,St Michaels Hosp;
children; repeated measures; sedentary behavior; screen time; PHYSICAL-ACTIVITY; HEALTH INDICATORS; SLEEP DURATION; YOUNG-CHILDREN; AGED CHILDREN; TIME;