Ravens-Sieberer, Ulrike; Kaman, Anne; Otto, Christiane; … - 2021
pandemic on health-related quality of life (HRQoL) and mental health of children and adolescents in Germany from the … implemented to maintain children’s and adolescents’ mental health, improve their HRQoL, and mitigate the burden caused by COVID-19 …Background: The COVID-19 pandemic has caused unprecedented changes in the lives of 1.6 billion children and adolescents …