Article History
Received: 15 November 2020
Accepted: 25 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: A signed written informed consent was obtained from each patient and the experimental procedures were performed in accordance with the Declaration of Helsinki and all in accordance with the guideline of the Ethics Committee of Yidu Central Hospital of Weifang, and the Ethics Committee of Yidu Central Hospital of Weifang approved this study.
: Written informed consent for publication was obtained from each participant.
: The authors declare that they have no competing interests.