Liu, Yanshi
Liu, Jialin
Yushan, Maimaiaili
Liu, Zhenhui
Zhang, Tao
Ma, He
Ma, Chuang
Yusufu, Aihemaitijiang
Article History
Received: 26 January 2021
Accepted: 15 February 2021
First Online: 21 February 2021
Ethics approval and consent to participate
: All methods in this retrospective study were carried out in accordance with the Declaration of Helsinki. This study was approved by the Ethics Committee of The First Affiliated Hospital of Xinjiang Medical University. Written informed consent was obtained from all patients for their data to be recorded in our study.
: Informed consent was obtained from all patients for their data to be published in our study.
: The authors declare that they have no competing interests.