Acknowledgments: We would like to thank all the clients for their generous help in this research and our particular thanks go to the nurses in the hemodialysis ward of Ekbatan Hospital in Hamadan, including Mr. Habibi, Mrs. Soltani Shayan, and other staff. Finally, warm thanks to the nursing department and research vice president of the Faculty of Medicine of Tarbiat Modares University for their spiritual support in this research.
