1. KMUTTFixed Point Research Laboratory, Department of Mathematics, Faculty of Science, King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Thailand
2. Center of Excellence in Theoretical and Computational Science (TaCS-CoE), Bangkok, Thailand
3. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
4. Mathematics Department, CINVESTAV-IPN, Mexico City, Mexico