1. Department of Construction Technology and Management, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2. Department of Building Technology, Koforidua Technical University, Koforidua, Ghana
3. Department of Construction Technology and Engineering, Faculty of Engineering, Science and Computing, Pentecost University Accra, Ghana
4. Department of the Built Environment, Faculty of Engineering and the Built Environment, Birmingham City University, University of Johannesburg, Birmingham, UK, South Africa