1. Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia (UTM), Kuala Lumpur, Malaysia
2. Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba, Ibaraki 305-8572, Japan
3. Centre of Studies of Estate Management, Faculty of Architecture, Planning and Surveying, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia
4. Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia (UTM), Skudai, Johor Bahru, Malaysia