1. Department of Design, Indian Institute of Technology Guwahati, Guwahati 781039, Assam India
2. HKSYU Real Estate and Economics Research Lab, Hong Kong Shue Yan University, 10 Wai Tsui Crescent North Point, Hong Kong
3. Department of Civil Engineering and Architecture, Tallinn University of Technology, Ehitajate tee Tallinn 12616 Estonia