1. Lancaster Environment Centre (LEC), Lancaster University, Bailrigg, Lancaster LA1 4YQ, UK
2. Department of Estate Management, University of Benin, Benin City 300287, Nigeria
3. School of Engineering, Lancaster University, Bailrigg, Lancaster LA1 4YR, UK
4. Standards Organisation of Nigeria (SON), 52 Lome Crescent, Wuse Zone 7, Abuja 900287, Nigeria
5. Institute of Energy Infrastructure, Universiti Tenaga Nasional (The National Energy University), Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia
6. Department of Urban and Regional Planning, Rivers State University, Port Harcourt 500101, Nigeria
7. Department of Estate Management and Valuation, Federal University of Technology Minna, Minna 920101, Nigeria
8. Department of Estate Management, Federal University of Technology, Akure 340252, Nigeria