1. Department of Statistics, School of Mathematical Sciences and Statistics, University of Birjand, Birjand, Iran
2. LIST3N, Université de Technologie de Troyes, Troyes, France
3. Department of Computer Science, Faculty of Mathematical Sciences, Shahrekord University, Shahrekord, Iran
4. Aix-Marseille Université, M2P2, UMR CNRS 7340, Ecole Centrale Marseille, Marseille, France