Liu, Shaohua
Qu, Xinhua
Song, Linlin
Li, Ning
Xu, Aiqun
Article History
Received: 16 January 2020
Accepted: 7 April 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Yantai Affiliated hospital of Binzhou Medical University.
: Written informed consent has been received from the patient for potentially descriptive information to be published in this article.
: Authors declare that we have no competing interests.