Fuzzy C-Means (FCM) is a common data analysis method, but the clustering effect of this algorithm easily affected by initial centers. Currently, scholars often use multiple population genetic (MPGA) to optimize centers, MPGA has insufficient global search ability and lacks self-adaptability, prone premature convergence, poor Therefore, paper proposes an adaptive FCM DMGA-FCM based on derivative...

background: we conducted a comprehensive bibliometrics analysis to calculate the h, g, m, a and r indicators for all iranian biomedical research centers (ibrcs) from the output of isi web of science (wos) and scopus between 1991 and 2010. we compared the research performance of the research centers according to these indicators.   methods : this was a cross-sectional and descriptive-analytical ...

People in carceral institutions are at increased risk for COVID-19 infection. Applying critical race theory to the problem of provides tools analyze infection and evaluate public health response within imprisoned, jailed, detained population. On surface, this is due factors related a lack hygiene products, an inability physically distance, low quality inaccessible care, poor health. However, ro...

OBJECTIVE Optimal care of adults with severe acute respiratory failure requires specific resources and expertise. We sought to measure geographic access to these centers in the United States. DESIGN Cross-sectional analysis of geographic access to high capability severe acute respiratory failure centers in the United States. We defined high capability centers using two criteria: (1) provision...

background: nowadays, the concept of family planning has been detached from the population control and it is expressed as an essential element in women’s reproductive rights, empowering them and promoting their status in society. family planning services have an important role in fertility decisions using contraception methods in women. this study was carried out to explore the experience of wo...