1. School of Business, Qingdao University, Qingdao, People’s Republic of China
2. State Key Laboratory of Digital Manufacturing Equipment & Technology, Huazhong University of Science & Technology, Wuhan, People’s Republic of China
3. School of Mechanical–Electrical and Vehicle Engineering, Beijing University of Civil Engineering and Architecture, Beijing, People’s Republic of China
4. Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), Shandong University, Jinan, People’s Republic of China