Funding for this research was provided by:
the grand from Xinjiang uygur autonomous region health and family planning commission young science and technology talent special projects (2016Y09)
an open project of the state key laboratory for the prevention and treatment of high morbidity in central Asia (SKL-HIDCA-2017-7)
Received: 7 February 2019
Accepted: 19 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: This study was approved by the Ethical Committee of the first affiliated hospital of xinjiang medical university (Ethical approval number: 20171123–12) and all patients enrolled provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.