1. Department of Life and Environmental Sciences, Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Magurele, Romania
2. Research Station for Viticulture and Oenology – Murfatlar, Murfatlar, Romania
3. Geological Institute of Romania, Bucharest, Romania
4. Faculty of Physics, Department of Structure of Matter, Earth and Atmospheric Physics, Astrophysics, University of Bucharest, Magurele, Romania
5. AccentPro 2000 ltd., Magurele, Romania