1. CSG Smart Science & Technology Co., Ltd., Shanghai, P.R. China
2. School of Mechanical Engineering, Guangxi University, Nanning, China
3. NUS Business School and The Logistics Institute-Asia Pacific, National University of Singapore, Singapore
4. School of Mechanical Engineering, Shanghai Research Center for Industrial Informatics, Institute of Computer Integrated Manufacturing, Shanghai Jiao Tong University, Shanghai, P.R. China