1. Advanced Polymer Materials and Processing Lab, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
2. Institute of Applied and Computational Mathematics, Foundation for Research and Technology - Hellas, Heraklion GR-71110, Greece
3. Department of Physics, University of Tehran, Tehran 14395-547, Iran
4. School of Physics, Institute for Research in Fundamental Sciences (IPM), Tehran 19395-5531, Iran
5. Department of Chemistry, College of Sciences, Persian Gulf University, Boushehr 75168, Iran
6. Department of Mathematics and Applied Mathematics, University of Crete, Heraklion GR-71110, Greece