Funding for this research was provided by:
National Natural Science Foundation of China (81300794)
National Natural Science Foundation of China 8 (81470621)
National Natural Science Foundation of China (81770949)
Henan Science and Technology Bureau (182102310145)
National Key Clinical Specialties Construction Program of China
Article History
Received: 25 December 2018
Accepted: 16 October 2019
First Online: 28 October 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this article. The authors alone are responsible for the content and writing of the paper.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All individuals involved in the study were informed of the purpose of the study, and their informed consent was obtained. This study followed the tenets of the Declaration of Helsinki and was approved by the ethics committee of the institutional First Affiliated Hospital of Chongqing Medical University.
: This article does not contain any studies with animals performed by any of the authors.