1. Department of Physical Materials Science, Donetsk Institute for Physics and Engineering Named After O.O. Galkin, National Academy of Sciences of Ukraine, Kyiv, Ukraine.
2. Department of Applied Ecology, Technology of Polymers and Chemical Fibers, Kyiv National University of Technologies and Design, Kyiv, Ukraine.
3. Polymer Division, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Lodz, Poland.