Funding for this research was provided by:
National Natural Science Foundation of China (81501569)
Article History
Received: 6 March 2019
Accepted: 22 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The First Affiliated Hospital of Zhengzhou University. Written informed consents were obtained from all patients.
: Not Applicable.
: None of the authors has any conflict of interest to disclose.