Funding for this research was provided by:
National Natural Science Foundation of China (81260095)
Text and Data Mining valid from 2019-08-12
Received: 15 April 2019
Accepted: 29 July 2019
First Online: 12 August 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the declaration of Helsinki.This study was conducted with approval from the Ethics Committee of The Affiliated Hospital of Inner Mongolia Medical University. Written informed consent was obtained from all participants.
: Consent for publication was obtained from every individual whose data are included in this manuscript.
: The authors declare that they have no competing interests.