1. School of Architecture, Feng Chia University, Taichung, Taiwan R.O.C
2. Department of Electronic Engineering, Feng Chia University, Taichung, Taiwan R.O.C
3. Graduate Institute of Architecture, National Yang Ming Chiao Tung University, Hsinchu, Taiwan R.O.C
4. Department of Real Estate, Tunku Abdul Rahman University College, Setapak, Kuala Lumpur, Malaysia