Funding for this research was provided by:
National Natural Science Foundation of China (81672401, 81301768, 81672403, 81672405, 81572407)
Text and Data Mining valid from 2019-01-15
Received: 3 September 2018
Accepted: 17 December 2018
First Online: 15 January 2019
Ethics approval and consent to participate
: The experiments with animals and human samples in this study were conducted according to the principles of the Declaration of Helsinki and approved by the animal ethics committee of Sun Yat-sen University.
: All patients signed informed consent for the publication of the clinical images and their clinical details.
: The authors declare no competing financial interests.
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