Funding for this research was provided by:
National Natural Science Foundation of China (U1713210)
Received: 1 April 2019
Accepted: 23 August 2019
First Online: 26 September 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Anhui Provincial Hospital (Approval Number: 2015-Ethical Approval-08) and all the participants gave their informed consent.
: All participants in the study verbally agreed to publish personal data.
: The authors declare that they have no competing interests.