Received: 14 April 2020
Accepted: 28 January 2021
First Online: 11 March 2021
Ethics approval and consent to participate
: The ethical approvals had been obtained from the ethical committee of the fourth affiliated hospital of xinjiang medical university (2018120609-1c), and the written informed consents had been obtained from all the included participants. All the subjects were fully informed and volunteered to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.