1. Faculty of Orthodox Theology, “Babeș - Bolyai” University, Cluj-Napoca, Romania
2. National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania
3. Technical University of Cluj-Napoca, Cluj-Napoca, Romania
4. Faculty of Chemistry and Chemical Engineering, “Babeș - Bolyai” University, Cluj-Napoca, Romania