Funding for this research was provided by:
National Natural Science Foundation of China (81670866)
Text and Data Mining valid from 2019-02-02
Received: 24 October 2017
Accepted: 14 January 2019
First Online: 2 February 2019
Compliance with ethical standards
: All authors have no financial or other conflicts of interest concerning this study. VC is a consultant of Quantel Medical and an employee of Boehringer Ingelheim.
: Written informed consents were obtained from the patients before treatment.
: This study was approved by the Ethics Committee of Zhongshan Ophthalmic Center of Sun Yat-Sen University and was conducted in adherence with the tenets of the Declaration of Helsinki.