Li, Shuang
Su, Jingwen
Sui, Qiyu
Wang, Gongchao
Article History
Received: 2 July 2021
Accepted: 1 September 2021
First Online: 6 September 2021
Declarations
:
: The research was approved by the Institutional Review Board of Shandong University, which was exempt from the requirement for individual patient consent because contained no personal identifiers.
: Not applicable.
: The authors declare no competing interests.