1. Nicolaus Copernicus University in Toruń,Institute of Physics, Faculty of Physics, Astronomy, and Informatics,Torun,Poland,PL 87-100
2. University of Angers,LPHIA, SFR MATRIX,Angers,France,49045
3. Hassan II University of Casablanca,Laboratory of Materials, Energy and System Control (LMECS), Faculty of Sciences and Technology,Mohammedia,Morocco
4. Lviv Polytechnic National University,Lviv,Ukraine,79013