Zhang, Longli
Ke, Yifeng
Wang, Wei
Shi, Xueying
Hei, Kaiwen
Li, Xiaorong http://orcid.org/0000-0002-4367-2523
Funding for this research was provided by:
Natural Science Foundation of Tianjin City (16JCQNJC12700, 15JCZDJC34500)
National Natural Science Foundation of China (81500745, 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.