1. Faculty for Geo-Information Sciences and Earth Observation – ITC, Department of Urban and Region Planning and Geo-Information Management, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
2. Swinburne University of Technology, Department of Business Technology and Entrepreneurship, P.O. Box 218, Hawthorn, Victoria 3122, Australia
3. Department of Land Economy, College of Art and Built Environment, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana