1. Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing 100191, China
2. National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430000, China
4. Collaborative Innovation Centre of Geospatial Technology, Wuhan University, Wuhan 430000, China
5. Department of Sport, Physical Education and Health, Hong Kong Baptist University, Kowloon Tong, Hong Kong 999077, China