Funding for this research was provided by:
National Natural Science Foundation of China (61671417, 61871360.)
Article History
Received: 10 April 2019
Accepted: 6 November 2019
First Online: 21 November 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Each participant signed an informed consent form before commencing the experiment, which was approved by the Ethics Review Committee of Anhui Medical University (No. PJ2014-08-04).