1. School of Computer Science and Technology & School of Psychology, Nanjing Normal University, Nanjing, Jiangsu, China
2. Guangxi Key Laboratory of Manufacturing System & Advanced Manufacturing Technology, Guilin, Guangxi, China
3. School of Natural Sciences and Mathematics, Shepherd University, Shepherdstown, WV, USA
4. Jiangsu Key Laboratory of 3d Printing Equipment And Manufacturing, Nanjing, Jiangsu, China