1. Faculty of Mathematical and Natural Science, Department of Physics, University of Prishtina “Hasan Prishtina”, Prishtina, Kosovo
2. Department for Low and Medium Energy Physics, Jožef Stefan Institute, Ljubljana, Slovenia
3. Department of Ecotechnologies, Jožef Stefan International Postgraduate School (IPS), Ljubljana, Slovenia
4. Faculty of Natural Sciences, Department of Physics, University of Tirana, Tirana, Albania
5. Faculty of Mathematical and Natural Science, Department of Geography, University of Prishtina “Hasan Prishtina”, Prishtina, Kosovo