1. School of Economics and Statistics, Guangzhou University, Guangzhou 510006, China
2. Department of Civil Engineering, University of Applied Sciences, 23562, Lübeck, Germany
3. Department of Civil Engineering, Ilia State University, 0162, Tbilisi, Georgia
4. Information Systems Department, Faculty of Computers and Information Sciences, Mansoura University, Mansoura, Egypt
5. Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional (Uniten), Kajang, Malaysia
6. Department of Civil Engineering, Faculty of Engineering, Universiti Malaya (UM), Kuala Lumpur, Malaysia
7. National Water and Energy Center, United Arab Emirates University, Al Ain, United Arab Emirates