Funding for this research was provided by:
National Natural Science Foundation of China (81801232)
Text and Data Mining valid from 2019-08-14
Received: 29 June 2019
Accepted: 7 August 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: Written informed consents were obtained from all patients; and, this study conformed to the principles of the Declaration of Helsinki was approved by the investigational review board of the First Affiliated Hospital of Xinjiang Medical University.
: Not applicable.
: The authors declare that they have no competing interests.