1. The Research Institute of the University of Bucharest, Bucharest, Romania
2. Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
3. National Institute of Research and Development for Biological Sciences, Bucharest, Romania
4. National Institute of Materials Physics, Magurele, Romania
5. Research and Development Department, SC Sanimed International Impex SRL, Giurgiu, Romania
6. The Romanian Academy, Bucharest, Romania