1. Senior Lecturer, School of Built Environment, Univ. of Salford, Maxwell Building, The Crescent, Greater Manchester, M5 4WT, UK (corresponding author).
2. Professor, School of Built and Natural Environment, Univ. of Central Lancashire, Preston PR1 2HE, UK.
3. Associate Professor, School of Architecture and Design, Linton Univ. College, Persiaran UTL, Batu 12, 71700, Malaysia.