National Institute for Nutrition and Health;
Chinese Center for Disease Control and Prevention;
Yangcheng Center for Disease Control and Prevention;
Heshun Center for Disease Control and Prevention;
Beijing Tian Tan Hospital;
Capital Medical University;
Academy of State Administration of Grain;
National Center for Chronic and Non-Communicable Diseases Control and Prevention;
Chinese Center for Disease Control and Prevention;
College of Biochemical Engineering;
Beijing Union University;
International Life Sciences Institute Focal Point in China;
Chinese Center for Disease Control and Prevention;
Obesity; Children; and; adolescents; Life; course; epidemiology; Cohort; study; China;