BACKGROUND AND PURPOSE The relationship between blood pressure (BP) and heart rate (HR) and MRI assessments of subcortical T2 hyperintensities was evaluated in healthy elderly men and women. METHODS Casual and 24-hour ambulatory BPs and HR measurements were taken of 144 elderly individuals, aged 55 to 79 years. Subjects had no evidence of previous health disorders. MRI scans of white matter, ...

The proportion of infant pertussis cases due to transmission from casual contact in the community has not been estimated since before the introduction of pertussis vaccines in the 1950s. This study aimed to estimate the proportion of pertussis transmission due to casual contact using demographic and clinical data from a study of 95 infant pertussis cases and their close contacts enrolled at 14 ...

In recent years, graphical user interfaces have become almost ubiquitous in form of notebooks, smartphones and tablets. These systems normally force the user to attend to an often very specific and narrow screen and thus squeeze the information through a chokepoint. This ties the users’ attention to the device and affects other activities and social interaction. In this paper we introduce Blend...