Montserrat Medina

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We studied the evolutionary relationships among basal metazoan lineages by using complete large subunit (LSU) and small subunit (SSU) ribosomal RNA sequences for 23 taxa. After identifying competing hypotheses, we performed maximum likelihood searches for trees conforming to each hypothesis. Kishino-Hasegawa tests were used to determine whether the data(More)
Heterogeneous computers with processors and accelerators are becoming widespread in scientific computing. However, it is difficult to program hybrid architectures and there is no commonly accepted programming model. Ideally, applications should be written in a way that is portable to many platforms, but providing this portability for general programs is a(More)
Transmission of infectious diseases, propagation of information, and spread of ideas and influence through social networks are all examples of diffusion. In such cases we say that a contagion spreads through the network, a process that can be modeled by a cascade graph. Studying cascades and network diffusion is challenging due to missing data. Even a(More)
BACKGROUND/AIMS Chronic Hepatitis C virus (HCV) infection is common and often produces a progressive disease. Some studies suggest that HCV related complications will increase in the future. Our aim was to estimate the future morbidity, mortality and costs of chronic HCV infection in a cohort of patients infected by HCV and to evaluate the impact of HCV(More)
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