Hu, Jingcen, Zhifei Li, Sixuan Li, Hui Li, Sijia Wang, Shuyu Wang, Lei Xu, et al. 2020. “Skipping Breakfast and Physical Fitness Among School-Aged Adolescents”. Clinics 75 (August): e1599. https://doi.org/10.6061/clinics/2020/e1599.