Recently, many meta-heuristic algorithms are proposed for optimization of various problems. Some of them originally are presented for continuous optimization problems and some others are just applicable for discrete ones. In the literature, sizing optimization of truss structures is one of the discrete optimization problems which is solved by many meta-heuristic algorithms. In this paper, in or...

Background and Objectives: Compassion has been identified as an essential element of nursing. The present study aimed to determine the psychometric properties of compassion to others scale and introduce a suitable measurement scale for the researchers in the field of psychological health. Methods: This study was conducted on a total of 213 nurses in order to investigate the psychometric proper...

The identification of occupational carcinogens in the workplace is a major concern of epidemiologists. A novel case-control approach has been developed which includes as a key component the assessment of a subject's occupational exposure history by a two stage process. Firstly, the subject is interviewed to obtain a detailed lifetime job history. Then a team of chemists and hygienists, hired an...

Nonpsychiatric hospitalized patients are frequently exposed to psychiatric disorders, such as anxiety and depression, which significantly infuence the patient's subsequent admission days and the rate of recovery. The aim of this study was to evaluate the prevalence of anxiety and depression among hospitalised patients in Mashhad hospitals and to compare the level of anxiety in patients admitted...