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Synchronization-based scalability of complex clustered networks.

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Complex clustered networks arise in biological, social, physical, and technological systems, and the synchronous dynamics on such networks have attracted recent interests. Here we investigate system-size dependence of the synchronizability of these networks. Theoretical analysis and numerical

Origins of clustered frequency combs in Kerr microresonators.

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Recent experiments have demonstrated the generation of widely spaced parametric sidebands that can evolve into "clustered" optical frequency combs in Kerr microresonators. Here we describe the physics that underpins the formation of such clustered comb states. In particular, we show that the phase

Solution for the properties of a clustered network.

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We study Strauss's model of a network with clustering and present an analytic mean-field solution which is exact in the limit of large network size. Previous computer simulations have revealed a degenerate region in the model's parameter space in which triangles of adjacent edges clump together to

Analyzing excessive no changes in clinical trials with clustered data.

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This article considers clinical trials in which the efficacy measure is taken from several sites within each patient, such as the alveolar bone height of the tooth sites, or bone mineral densities of the lumbar spine sites. Since usually only a small portion of these sites will exhibit changes, the

Least squares regression methods for clustered ROC data with discrete covariates.

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The receiver operating characteristic (ROC) curve is a popular tool to evaluate and compare the accuracy of diagnostic tests to distinguish the diseased group from the nondiseased group when test results from tests are continuous or ordinal. A complicated data setting occurs when multiple tests are

Assessing discrimination of risk prediction rules in a clustered data setting.

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The AUC (area under ROC curve) is a commonly used metric to assess discrimination of risk prediction rules; however, standard errors of AUC are usually based on the Mann-Whitney U test that assumes independence of sampling units. For ophthalmologic applications, it is desirable to assess risk

Estimating the Relative Excess Risk Due to Interaction in Clustered-Data Settings.

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The risk difference scale is often of primary interest when evaluating public health impacts of interventions on binary outcomes. However, few investigators report findings in terms of additive interaction, probably because the models typically used for binary outcomes implicitly measure interaction

Prediction of clustered RNA-binding protein motif sites in the mammalian genome.

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Sequence-specific interactions of RNA-binding proteins (RBPs) with their target transcripts are essential for post-transcriptional gene expression regulation in mammals. However, accurate prediction of RBP motif sites has been difficult because many RBPs recognize short and degenerate sequences.

[Giant pedunculated clustered uterine fibromyoma in hyaline and cystic degeneration. Limitations of clinical and instrumental diagnosis].

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The authors report a case of a 46-year-old woman who was checked by integrated ultrasound examination, i.e. transabdominal and transvaginal, and by abdominopelvic CAT. The examinations, ascertained the presence of a probably malignant, voluminous, ovarian, multilobate abdominopelvic neoplasia. On

Polyarterial clustered recurrence of cervical artery dissection seems to be the rule.

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BACKGROUND Spontaneous cervical artery dissection (sCAD) in multiple neck arteries (polyarterial sCAD) is traditionally thought to represent a monophasic disorder suggesting nearly simultaneous occurrence of the various intramural hematomas. Its incidence ranges from 10 to 28%. The recurrence rate

Oxidative stress at low levels can induce clustered DNA lesions leading to NHEJ mediated mutations.

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DNA damage and mutations induced by oxidative stress are associated with various different human pathologies including cancer. The facts that most human tumors are characterized by large genome rearrangements and glutathione depletion in mice results in deletions in DNA suggest that reactive oxygen

Recurrent structural variation, clustered sites of selection, and disease risk for the complement factor H (CFH) gene family.

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Structural variation and single-nucleotide variation of the complement factor H (CFH) gene family underlie several complex genetic diseases, including age-related macular degeneration (AMD) and atypical hemolytic uremic syndrome (AHUS). To understand its diversity and evolution, we performed

Viability, growth kinetics and stem cell markers of single and clustered cells in human intervertebral discs: implications for regenerative therapies.

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OBJECTIVE There is much interest in the development of a cellular therapy for the repair or regeneration of degenerate intervertebral discs (IVDs) utilising autologous cells, with some trials already underway. Clusters of cells are commonly found in degenerate IVDs and are formed via cell

[Pathological study of unexpected sudden death clustered in family or village in Yunnan province: report of 29 cases of autopsy].

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OBJECTIVE To investigate the pathological features and causes of sudden death clustered in family or village in Yunnan province so as to provide the morphological basis for exploring its etiology and medical intervention. METHODS Autopsy was performed on 29 cases of clustered in family or village in

Clustered granules present in the hippocampus of aged mice result from a degenerative process affecting astrocytes and their surrounding neuropil.

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Clusters of pathological granular structures appear and progressively increase in number with age in the hippocampus of several mice strains, markedly in the senescence-accelerated mouse prone 8 mice. In the present work, we performed an ultrastructural study of these granules paying special

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