Liu, Xintao http://orcid.org/0000-0002-7323-9878
Chow, Joseph Y. J. http://orcid.org/0000-0002-6471-3419
Li, Songnian
Funding for this research was provided by:
Area of Excellence Project (1-ZE24)
University Startup Project (1-ZE6P)
University Transportation Center (C2SMART Tier 1)
Article History
Received: 17 July 2017
Accepted: 2 July 2018
First Online: 5 July 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.