Funding for this research was provided by:
Young Scientists Fund (81600619)
Natural Science Foundation of Shaanxi Province (708037169021)
Personal Training Special Fund of the Second Affiliated Hospital of Xi’an Jiaotong University (RC (XM) 2016010)
Article History
Received: 16 December 2019
Accepted: 7 July 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors have no competing interests associated with this manuscript.