1. Shandong Engineering Research Center for Additive Manufacturing Qingdao University of Technology Qingdao 266520 China
2. Digital Manufacturing and Design Centre Singapore University of Technology and Design Singapore 487372 Singapore
3. College of Engineering The Ohio State University Columbus OH 43210 USA
4. Department of Industrial and Systems Engineering The Hong Kong Polytechnic University Hung Hom Hong Kong 999077 China
5. State Key Laboratory for Manufacturing System Engineering Xi'an Jiaotong University Xi'an 710049 China