1. KMUTT Fixed Point Research Laboratory, Department of Mathematics, Room SCL 802 Fixed Point Laboratory, Science Laboratory Building, Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) 126 Pracha‐Uthit Road, Bang Mod, Thung Khru Bangkok 10140 Thailand
2. Department of Medical Research, China Medical University Hospital China Medical University Taichung 40402 Taiwan
3. Department of Mathematics, Faculty of Sciences Lampang Rajabhat University Lampang Thailand