1. a College of Human and Health Sciences, Charles Darwin University, Darwin, NT 0909, Australia
2. b School of Architecture and Built Environment, University of Newcastle, Callaghan, NSW, 0810, Australia
3. c Sustainable Enterprise Division, Asia Pacific College of Business & Law, Charles Darwin University, NT 0810, Australia
4. d Department of Spatial Planning, Dortmund University, Dortmund, Germany
5. e Department of Planning, College of Art and Built Environment, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
6. f College of Architecture, Planning and Landscape Architecture, University of Arizona, USA