1. School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen, China
2. Fujian Key Laboratory of Advanced Design and Manufacture for Bus & Coach, Xiamen, China
3. Department of Natural Resources and Planning Bureau, Yanggu Contry, Liaocheng, China
4. School of Aerospace Engineering, Xiamen University, Xiamen, China
5. Accident Research Unit, Medical University of Hannover, Hannover, Germany