Zhang, Longli
Ke, Yifeng
Wang, Wei
Shi, Xueying
Hei, Kaiwen
Li, Xiaorong https://orcid.org/0000-0002-4367-2523
Funding for this research was provided by:
Natural Science Foundation of Tianjin City (16JCQNJC12700)
Natural Science Foundation of Tianjin City (15JCZDJC34500)
National Natural Science Foundation of China (81500745)
National Natural Science Foundation of China (81670875)
Article History
Received: 15 November 2017
Revised: 5 February 2018
Accepted: 1 March 2018
First Online: 16 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (Tianjin Medical University Eye Hospital and Hebei Eye Hospital) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required.