Watcharaporn Cholamjiak is [position] in the School of Science, University of Phayao, Phayao, Thailand. [Degree, awarding institution and year.] Research interests include nonlinear analysis, fixed-point theory and iterative methods for optimization. For the present work, she contributed to the drafting and the review and editing of the manuscript. Contact: watcharaporn.ch@up.ac.th.