Funding for this research was provided by:
the National Natural Sciences Foundation of China (No.81770132)
International Cooperation and Exchange Program (NO.31620103909)
Received: 29 October 2019
Accepted: 24 December 2019
First Online: 8 January 2020
Ethics approval and consent to participate
: The design and procedures in this study were approved by the ethics committee of the institutional review board at Union Hospital, Tongji Medical College, Huazhong University of Science and Technology. Written informed consent was obtained from all participants. The study adhered to the tenets of the Declaration of Helsinki.
: Written informed consent for research and publication of clinical details were obtained from all of the participants.
: The authors declare that they have no competing interests.