1. Department of Geography and Urban Planning, Faculty of Social Sciences, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
2. College of Arts, Technology and Environment, School of Engineering, University of the West of England (UWE Bristol), Frenchay Campus, Bristol BS16 1QY, UK
3. Department of Urban Planning, Islamic Azad University, Tabriz 51579-44533, Iran