Ma, Yingyan
Lin, Senlin
Zhu, Jianfeng
Xu, Xun
Lu, Lina
Zhao, Rong
Zhao, Huijuan
Li, Qiangqiang
Hou, Zhiyuan
He, Xiangui
Zou, Haidong
Funding for this research was provided by:
Three-year Action Program of Shanghai Municipality for Strengthening the Construction of the Public Health System (Grant NO.2011-15)
Three-year Action Program of Shanghai Municipality for Strengthening the Construction of the Public Health Syste (GWIV-13.2)
National Natural Science Foundation of China for Young Staff (81402695)
Shanghai Natural Science Foundation (15ZR1438400)
Shanghai Scientific Research Plan Project (14411969500)
Shanghai Municipal Health Bureau (12GWZX0301)
Key Discipline of Public Health –Eye health in Shanghai (15GWZK0601)
Shanghai Sailing Program (17YF1416100)
Article History
Received: 29 November 2017
Accepted: 12 February 2018
First Online: 23 February 2018
Ethics approval and consent to participate
: The study was approved by the Shanghai General Hospital Ethics Committee and consistent with the tenets of the Declaration of Helsinki. The purpose and the methods of the study were fully explained to parents or legal guardians, and written informed consents were obtained under agreement from both parents and children.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.