1. Department of Quantity Surveying, Federal University of Technology Akure, 340110 Akure, Nigeria
2. Department of Civil & Environmental Engineering, University Technology PETRONAS, Seri Iskandar 32610, Malaysia
3. Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
4. Department of Civil Engineering, Canadian International College (CIC), Zayed Campus, 6th October City, Giza 12577, Egypt
5. CIDB Centre of Excellence, Faculty of Engineering and Built Environment, University of Johannesburg, Johannesburg 2092, South Africa
6. School of Social Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia
7. Wellington School of Architecture, Victoria University of Wellington, Wellington 6140, New Zealand
8. Construction and Building Engineering Department, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (AASTMT), B 2401 Smart Village, Giza 12577, Egypt