Funding for this research was provided by:
Chinese National Nature Science Foundation (81371069, 81670898)
Shanghai Shen Kang Hospital Development Centre (SHDC12015315, SHDC2015644)
Shanghai High-level Oversea Training Team Program on Eye Public Health (GWTD2015S08)
Shanghai Outstanding Academic Leader Program (16XD1402300)
Article History
Received: 9 September 2017
Accepted: 1 February 2018
First Online: 7 February 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 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The institutional review board of the Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, approved the study.
: Informed consent was obtained from all individual participants included in the study.