1. Department
of Physical Chemistry of Polymers, “Petru Poni” Institute
of Macromolecular Chemistry, Romanian Academy, , 41 A, Grigore Ghica Vodă
Alley, 700487, Iaşi, Romania
2. Institute
of Physics, University of Rostock, Wismarsche Strasse 43-45, 18051, Rostock, Germany