Funding for this research was provided by:
Anhui Science and Technology Department (1804b06020351)
National Natural Science Foundation of China (81572430, 81872047)
Received: 3 December 2018
Accepted: 22 August 2019
First Online: 28 August 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of the First Affiliated Hospital of Anhui Medical University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Institutional Review Board approval for this study was waived and the consent to participate was not applicable for this study.
: Not applicable.
: The authors declare that they have no competing interests.