Funding for this research was provided by:
National Natural Science Foundation of China (81772329)
Postdoctoral Research Foundation of China (2020M672004)
Received: 1 April 2021
Accepted: 27 April 2021
First Online: 5 May 2021
: This study was approved by the Ethical Committee of the Affiliated Hospital of Qingdao University, China, and an informed consent was obtained from all patients.
: Informed consent was obtained from all individual participants included in the study, and all authors agree to publish.
: The authors declare no conflicts of interest.