1. School of Computer and Information Science, Southwest University, Chongqing, China
2. School of Engineering, Vanderbilt University, Nashville, TN, USA
3. School of Automation, Northwestern Polytechnical University, Xi’an, China
4. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
5. Unconventional Computing Centre, University of the West of England, Bristol, UK