1. Fixed Point Research Laboratory, Fixed Point Theory and Applications Research Group, Center of Excellence in Theoretical and Computational Science (TaCS-CoE), Faculty of Science, King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Thailand
2. Numerical Optimization Research Group, Department of Mathematical Sciences, Faculty of Physical Sciences, Bayero University, Kano, Nigeria
3. Department of Mathematics and Applied Mathematics, Sefako Makgatho Health Sciences University, Ga-Rankuwa, Pretoria, South Africa
4. School of Mathematics and Statistics, Chongqing Three Gorges University, Chongqing, China
5. Faculty of Natural Sciences II, Institute for Mathematics, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany