Funding for this research was provided by:
National Natural Science Foundation of China (81802167)
Natural Science Foundation of Shaanxi Province (2019JM197)
Medical Research Project of Xi'an Science and Technology Bureau (201805096YX4SF30-4)
Received: 3 February 2020
Accepted: 13 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of Honghui Hospital (2011056) and written informed consent was obtained from all of the individual participants included in the study.
: Written informed consent for publication was obtained from all patients.
: The authors declare that they have no competing interests.