Funding for this research was provided by:
National Natural Science Foundation of China (31570775 and 81602216)
Received: 1 August 2018
Accepted: 29 November 2018
First Online: 15 January 2019
Ethics approval and consent to participate
: Informed consent was obtained from patients and the study was approved by the ethics committee of Tenth People’s Hospital of Tongji University (approved on February 23, 2017; approval # SHSY-IEC-KY -4.0/17–86/01), according to the tenets of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.