1. College of Automotive and Traffic Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
2. International Business School, Shandong Jiaotong University, Weihai, Shandong, China
3. Warwick Manufacturing Group, University of Warwick, Coventry, United Kingdom
4. School of Civil and Environmental Engineering, Ningbo University, Ningbo, China