1. Institute of Geography, Romanian Academy, Dimitrie Racovita 12, Sector 2, 023993 Bucharest, Romania
2. Division of Life, Earth and Environmental Science, Research Institute of the University of Bucharest, Panduri 90, 050663 Bucharest, Romania
3. Faculty of Geography, University of Bucharest, Nicolae Bălcescu 1, 010041 Bucharest, Romania
4. TERRASIGNA Logofat Luca Stroici 3, 020581 Bucharest, Romania
5. Department of Geography, West University of Timișoara, V. Pârvan 4, 300223 Timișoara, Romania
6. Institute for Advanced Environmental Studies, West University of Timișoara, Oituz 4, 300086 Timișoara, Romania