1. Laboratory Physical and Quantum Chemistry, Institute of Chemistry, Chisinau, Republic of Moldova
2. INCDTIM Cluj-Napoca, Cluj-Napoca, Romania
3. Technical University of Cluj-Napoca, Cluj-Napoca, Romania
4. Department of Nuclear Physics, Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Magurele-Ilfov, Romania