1. Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia;
2. Department of Civil Engineering, Canadian Higher Engineering Institute, Canadian International College, Cairo, Egypt;
3. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong SAR, China;
4. Department of Civil Engineering, Faculty of Engineering, The British University in Egypt, El Sherouk City, Egypt;
5. Construction and Project Management Research Institute, Housing and Building National Research Centre, Giza, Egypt;
6. Department of Quantity Surveying, Federal University of Technology, Akure, Nigeria;
7. Department of Civil Engineering, Monash University, Melbourne, Australia