1. School of Economics, Innovation, and Technology, Kristiania University College, Bergen, Norway
2. School of Information Science and Technology, Xiamen University, Xiamen, China
3. NORCE Norwegian Research Centre, Bergen, Norway
4. King’s College, University of Aberdeen, Aberdeen, U.K.
5. School of Aerospace Engineering, Xiamen University, Xiamen, China
6. School of Electrical Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar, Odisha, India