Funding for this research was provided by:
Natural and Science Foundation of Nantong (MS12017017-5, GJZ16075)
Article History
Received: 11 July 2019
Accepted: 23 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: This research was approved by the independent ethics committee of The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China and all patients provided written informed consent, in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.