Shen, Wei
Cun, Qing
Zhong, Hua
Pan, Chen-Wei
Li, Jun
Chen, Qin
Funding for this research was provided by:
National Natural Science Foundation of China (81760170, 81260153)
Yunnan Province Medical and Health Internal Research Institution Project (2017NS132)
the Association Foundation Program of Yunnan Provincial Science and Technology Department and Kunming Medical University (2018FE001(-079))
Provincial Innovation Team for Cataract and Ocular Fundus Disease, the Second People’s Hospital of Yunnan Province (2017HC010)
Expert Workstation of Yao Ke (2017IC064)
Article History
Received: 6 June 2019
Accepted: 28 May 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Kunming Medical University Ethics Review Board. Consent to participate in the study was provided in written format. For participants with cognitive impairment, consent was provided by their family members or proxies.
: Not applicable.
: The authors declare that they have no competing interests. Chen-Wei Pan is currently acting as an Editorial Board Member for BMC Public Health.