1. School of Economics and Management, Chang’an University, Xi’an, People’s Republic of China
2. Nathu Puri Institute for Engineering and Enterprise, London South Bank University, London, UK
3. School of Civil Engineering, Chang’an University, Xi’an, People’s Republic of China
4. School of Built Environment, Science and Engineering Faculty, Queensland University of Technology, Brisbane, Australia
5. Departamento de Ingeniería Mecánica y Diseño Industrial, Escuela Superior de Ingeniería, Universidad de Cádiz, Cádiz, Spain