1. Faculty of Geography, University of Bucharest, Bucharest, Romania
2. Department of Geography, Harokopio University of Athens, Athens, Greece
3. Prashant K. Srivastava Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, India
4. Professional services, ESRI Romania, Bucharest, Romania
5. Department of Environmental Sciences, School of Technology, University of Thessaly, Larisa, Greece
6. Department of Land Resources and Agricultural Engineering, Agricultural University of Athens, Greece