Zhang, Li
Wu, Jie
Li, Yujun
Jiang, Yanxia
Wang, Lili
Chen, Yunqing
Lv, Yalin https://orcid.org/0000-0001-9199-4108
Zou, Yuwei
Ding, Xiaoyan
Article History
Received: 5 February 2020
Accepted: 1 July 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: Our study was approved by the Ethics Review Board of the Affiliated Hospital of Qingdao University.
: All authors read the final manuscript and agreed to publish it.
: The authors declare that they have no competing interests.