1. “; Ilie Murgulescu” Institute of Physical Chemistry; Romanian Academy; 202 Splaiul Independentei; 060021; Bucharest; Romania
2. Department of Chemistry; Lehman College; City University of New York; Davis Hall; 250 Bedford Park Boulevard West; Bronx; New York; 10468
3. Jozef Stefan Institute; 39 Jamova; 1001; Ljubljana; Slovenia