1. University of Limerick, Mary Immaculate College, Department of Geography, Limerick, Ireland
2. Utah State University, Quinbey College of Natural Resources, Department of Environment and Society, Logan, Utah, United States
3. Guizhou University of Engineering Science, Bijie, China
4. Northeast Normal University, Ministry of Education, School of Geographical Sciences, Key Laboratory of Geographical Processes and Ecological Security in Changbai Mountains, Changchun, China
5. Wuhan University, Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan, China
6. University of Peshawar, Department of Geography and Geomatics, Peshawar, Pakistan