Received: 1 July 2021
Accepted: 11 May 2022
First Online: 21 May 2022
: This study was approved by the Medical Ethics Committee of Medical School, Shandong University (ECSHCMSDU20190501), and conforms to the ethics guidelines of the Declaration of Helsinki. Informed consent was obtained from all participants to allow the researchers to make follow-up contact to confirm the components and interpretation of the data analysis.
: Not applicable.
: The authors declare no conflict of interest.