Article History
Received: 24 October 2017
Accepted: 27 April 2018
First Online: 8 May 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Zhengzhou Second People Hospital and carried out in accordance with the tenets of the Declaration of Helsinki. Written informed consent of the study was received from all subjects. Oral informed consent was received for OCTA imaging from all subjects, and signed informed consent was received for FFA imaging from the DR patients.
: The authors declare that they have no competing interests.
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