1. Physics Department, Faculté des Sciences; Laboratoire LPSCM; Sémlalia, B.P. 2390 Marrakech 40000 Morocco
2. Physics Department, Laboratoire LASTID, Faculté des Sciences, Université Ibn Tofail; B.P. 133 Kénitra 14000 Morocco
3. Complex Fluids Department and Neutron Spectroscopy Department, Institute for Solid State Physics and Optics Wigner Research Centre for Physics Hungarian Academy of Sciences; P.O. Box 49 Budapest H-1525 Hungary
4. Civil Engineering Department and Automation Department, Faculty of Engineering and Information Technology; University of Pécs; Boszorkány Str. 2 Pécs 7624 Hungary
5. I3N and Physics Department; University of Aveiro; Aveiro 3810-193 Portugal