Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2018MH007)
National Natural Science Foundation of China (81972056)
Article History
First Online: 24 January 2020
Compliance with Ethical Standards
:
: This study was permitted by the Ethics Committee of Shandong Provincial Hospital Affiliated to Shandong University (Jinan, China) on March 3, 2017 (approval number 2017-53).
: The authors declare that they have no conflict of interest.