Nebiker, Lukas, Eirc Lichtenstein, Christoph Hauser, Giulia Lona, Ralf Roth, Martin Keller, Henner Hanssen, and Oliver Faude. “Impact of Covid-19 Pandemic on the Secular Trends in Motor Performance, Overweight and Obesity of First Graders in Basel”. Current Issues in Sport Science (CISS) 8, no. 2 (February 15, 2023): 083. Accessed May 19, 2024. https://ciss-journal.org/article/view/9380.