1. Department of Cellular and Molecular Biology National Institute of R&D for Biological Sciences 296, Bucureşti, Splaiul Independentei 060031 Bucharest Romania
2. Faculty of Applied Chemistry and Material Science University ‘Politehnica' of Bucharest 1–7, Bucureşti, Polizu Street 011061 Bucharest Romania
3. Department of Oxide Compounds and Materials Science ‘Ilie Murgulescu' Institute of Physical Chemistry Romanian Academy 202, Bucureşti, Splaiul Independentei 060021 Bucharest Romania
4. Faculty of Pharmacy Ovidius University of Constanta 1, University Alley 900470 Constanta Romania