1. Nonlinear Dynamics, Chaos and Complex Systems Group, Departamento de Física, Universidad Rey Juan Carlos, Tulipán s/n, 28933 Móstoles, Madrid, Spain
2. Department of Mathematics, Visva Bharati University, Santiniketan 731235, India
3. Department of Mathematics, Sikkim Manipal Institute of Technology, Sikkim Manipal University, Majitar, Rangpo, East-Sikkim 737136, India
4. Department of Mathematics, Gushkara Mahavidyalaya, Gushkara, Purba Bardhaman 713128, India