1. Research Centre for Natural Sciences, Institute of Materials and Environmental Chemistry; Hungarian Academy of Sciences; H-1117 Magyar tudósok krt 2 Budapest Hungary
2. Department of Physical Chemistry and Materials Science, Laboratory of Plastics and Rubber Technology; Budapest University of Technology and Economics; H-1521 Budapest Hungary
3. Research Centre for Natural Sciences, Institute of Organic Chemistry; Hungarian Academy of Sciences; H-1117 Magyar tudósok krt 2 Budapest Hungary
4. Wigner Research Centre for Physics, Institute for Solid State Physics and Optics; Hungarian Academy of Sciences; Konkoly Thege M. út 29-33 H-1121 Budapest Hungary