[Ren, Huanyu] Jimei Univ, Nav Inst, Xiamen, Fujian, Peoples R China.
[Mu, Dong; Li, Zhenglong; Ren, Huanyu] Beijing Jiaotong Univ, Sch Econ & Management, Beijing, Peoples R China.
[Wang, C; Wang, Chao] Beijing Univ Technol, Coll Econ & Management, Beijing, Peoples R China.
[Yue, Xiongping] Wuhan Polytech Univ, Sch Management, Wuhan, Peoples R China.
[Du, Jianbang] Texas A&M Transportat Inst, Bryan, TX 77807 USA.