COBA-Cohort : a prospective cohort of HIV-negative men who have sex with men, attending community-based HIV testing services in five European countries (a study protocol)

Altres ajuts: This work was supported by the Consumers, Health, Agriculture and Food Executive Agency (CHAFEA, European Commission); grant number 2013-11-01-613233.Community-based voluntary counselling and testing (CBVCT) services for men who have sex with men (MSM) can reach those most-at-risk and provide an environment for gay men that is likely to be non-stigmatising. Longitudinal data on the behaviour of HIV-negative MSM are scarce in Europe. The aim of this protocol, developed during the Euro HIV Early Diagnosis And Treatment (EDAT) project, is to implement a multicentre community-based cohort of HIV-negative MSM attending 15 CBVCT services in 5 European countries. (1) To describe the patterns of CBVCT use, (2) to estimate HIV incidence, and to identify determinants of (3) HIV seroconversion and (4) HIV and/or sexually transmitted infection (STI) test-seeking behaviour. All MSM aged 18 years or over and who had a negative HIV test result are invited to participate in the COmmunity-BAsed Cohort (COBA-Cohort). Study enrolment started in February 2015, and is due to continue for at least 12 months at each study site. Follow-up frequency depends on the testing recommendations in each country (at least 1 test per year). Sociodemographic data are collected at baseline; baseline and follow-up questionnaires both gather data on attitudes and perceptions, discrimination, HIV/STI testing history, sexual behaviour, condom use, and pre- and post-exposure prophylaxis. Descriptive, exploratory and multivariate analyses will be performed to address the main research objectives of this study, using appropriate statistical tests and models. These analyses will be performed on the whole cohort data and stratified by study site or country. The study was approved by the Public Health authorities of each country where the study is being implemented. Findings from the COBA-Cohort study will be summarised in a report to the European Commission, and in leaflets to be distributed to study participants. Articles and conference abstracts will be submitted to peer-reviewed journals and conferences

Global Numerical Constraints on Trees

We introduce a logical foundation to reason on tree structures with constraints on the number of node occurrences. Related formalisms are limited to express occurrence constraints on particular tree regions, as for instance the children of a given node. By contrast, the logic introduced in the present work can concisely express numerical bounds on any region, descendants or ancestors for instance. We prove that the logic is decidable in single exponential time even if the numerical constraints are in binary form. We also illustrate the usage of the logic in the description of numerical constraints on multi-directional path queries on XML documents. Furthermore, numerical restrictions on regular languages (XML schemas) can also be concisely described by the logic. This implies a characterization of decidable counting extensions of XPath queries and XML schemas. Moreover, as the logic is closed under negation, it can thus be used as an optimal reasoning framework for testing emptiness, containment and equivalence

GDP and Stock Returns: are they related?

L'obbiettivo è di verificare la relazione tra una variabile macroeconomica ed una finanziaria attraverso un'analisi empiricaope

A study of the nature of perceptual skills in relation to spelling and an analysis of spelling errors

Thesis (Ed.M.)--Boston Universit

Las Vegas Gazette, 03-16-1878

https://digitalrepository.unm.edu/lv_gazette_news/2334/thumbnail.jp

Independent, No. 19, March 11, 1982

The Reflector was a student-run newspaper created in 1922 at the State Teachers Normal School at Newark, now Kean University. It began as a monthly newsletter with the same name, some were printed by Lackawanna Press, Newark. In 1960, the newspaper changed its name to the Independent. The editor of this issue was Barbara Harvey.https://digitalcommons.kean.edu/independent_1980-1984/1023/thumbnail.jp

Scholarly Communication and Academic Presses

The objective of the meeting was to identify concrete ways for implementing proposals to foster the international scientific co-operation of universities and academic societies. Against the background of an assumed tendency towards knowledge monopolies, caused by the protection of intellectual property rights by a few publishers, the experts in the Conference discussed the potential of these academic e-presses for improving scientific article collection and treatment as well as facilitating the access to scientific knowledge. The papers in this volume can best be regarded as contributions to the areas of inquiry in a field that is continuing to change very rapidly