1. Ph.D. Graduate Student, Dept. of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia/National Univ. of Malaysia, 43600 UKM Bangi, Selangor, Malaysia (corresponding author).
2. Professor, Dept. of Architecture and Civil Engineering, Sultan Qaboos University, P.O. Box 33, Al-Khod, Muscat, Oman.
3. Senior Lecturer, Dept. of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia/National Univ. of Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
4. Professor and Deputy Vice-Chancellor (Academic and International Affairs), Dept. of Civil and Structural Engineering, Universiti Kebangsaan Malaysia/National Univ. of Malaysia, 43600 UKM Bangi, Selangor, Malaysia.