Received: 27 December 2019
Accepted: 7 August 2020
First Online: 9 September 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Committee of The Affiliated Lianyungang Oriental Hospital of Xuzhou Medical University (No. 312253LOHXMU). Written informed consent was obtained from all individual patients included in the study.
: Not applicable.
: The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
: The authors declare that they have no competing interests.