Jiang, Lei http://orcid.org/0000-0003-3597-1598
Wei, Zeng-Chun http://orcid.org/0000-0002-9472-8339
Xu, Li-Li http://orcid.org/0000-0002-4344-1952
Yu, Shan-Ying http://orcid.org/0000-0002-5421-7542
Li, Chao http://orcid.org/0000-0002-8227-9759
Article History
Accepted: 8 May 2021
First Online: 16 June 2021
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: Our study was approved by the Ethics Review Board of Rizhao Central Hospital and Qilu Hospital of Shandong University.