1. Faculty
of Chemistry, Inorganic Chemistry Laboratory, University of Bucharest, Str. Dumbrava Rosie no. 23, 020464 Bucharest, Romania
2. National
EPR Research Facility, School of Chemistry and Photon Science Institute, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
3. Department
of Chemistry “U. Schiff” and INSTM RU, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
4. Department
of Physical Chemistry, University of Bucharest, Bd. Regina Elisabeta 4-12, 030018 Bucharest, Romania
5. “Petru Poni” Institute of Macromolecular Chemistry, Aleea Grigore Ghica Voda 41A, RO-700487 Iasi, Romania