Kang, Sheng
Funding for this research was provided by:
National Natural Science Foundation of China (81870247)
Key Laboratory of Highway Construction and Maintenance Technology in the Loess Region of Shanxi Transportation Research Institute (PWZxq 2017-05)
Top-level Clinical Discipline Project of Shanghai Pudong District (PWYgf 2018-02)
Article History
Received: 5 November 2019
Accepted: 31 January 2020
First Online: 19 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.