The global community has called for the elimination of new HIV infections among children by 2015 and keeping their mothers alive [1]. Though viewed by some as overly optimistic and aspirational, this call to action has generated unprecedented momentum and transformed the global dialogue around prevention of mother-to-child HIV transmission (PMTCT) to emphasize efficiency, effectiveness and meas...

We exploit the prevalence of malicious review writers on crowdsourcing platforms like RapidWorkers to identify actual fraud reviews on Amazon. Complementary to previous efforts which often rely on proxies for fraud reviews, we present a long-term study of actual fraudulent behaviors in online review manipulation. We find that these malicious reviewers – though often providing seemingly legitima...

background and objective: genus salacia l. (celastraceae) is a woody climbing medicinal plant consisting of about 200 species with many endangered species located throughout the world’s tropical areas. various parts of the plant as food, functional food additive and tea have been extensively used to treat a variety of ailments like diabetes and obesity as well as inflammatory and skin diseases....

This article describes the Volitional Questionnaire and presents recent empirical efforts to develop and validate this instrument. The Volitional Questionnaire is an observational method of gathering data on motivation that is designed for persons who are unable to self-report their own motives. Studies to date suggest that the instrument can provide a valid measure of volition, though a number...

Despite the importance of reporting systems to learn about the casual chain and consequences of patient safety incidents, this is an area that requires of further conceptual and technical developments to conduce reporting to effective learning. The World Health Organization, through its Patient Safety Programme, adopted as a priority the objective to facilitate and stimulate global learning thr...