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The Kingdom of the Netherlands is a small, but heavily populated country with almost 17 million inhabitants.It is one of the last kingdoms in Europe and in 2015 it celebrated its 200 years anniversary.The Netherlands became a kingdom after the Napoleonic era.During this period it was transformed into a centralized state.

\"The biography of Anthony Fokker, a Dutch pilot and aviation tycoon.\"--Provided by publisher.

Background Urgent medical treatment is crucial after stroke and transient ischemic attack (TIA), but hindered by extensive prehospital delays. Public education campaigns based on FAST (Face-Arm-Speech-Time) have improved response after major stroke, but not minor stroke and TIA. We aimed to provide strategies to improve public education on a national level, by characterizing TIA and stroke symptoms in a population-based cohort, and extrapolating findings to the general Dutch population. Methods We included all patients with first-ever stroke or TIA from 2002–2016 in the population-based Rotterdam Study ( N  = 17,931). We determined the prevalence of focal neurological symptoms and their combinations by event severity (i.e., TIA, minor stroke [National Institutes of Health Stroke Scale (NIHSS) 0–3], and major stroke [NIHSS > 3]). We assessed sensitivity of the FAST test for TIA and stroke, and estimated specificity using survey data on the incidence of focal neurological symptoms of non-vascular origin from the same source population. Finally, we determined the diagnostic value of adding visual symptoms and vertigo to the FAST test. Results Of all 900 patients (mean age: 77.6 years, 57.2% women), 409 (45.4%) had a TIA, 254 (28.2%) had minor stroke, and 237 (26.3%) had major stroke. At least one FAST symptom was present in 233/237 (98.3%) of patients with major stroke, compared to 186/254 (73.2%) patients with minor stroke, and 250/402 (62.2%) with TIA. Minor strokes and TIA not captured by the FAST test most commonly involved visual symptoms (52.7%), dizziness/vertigo (19.5%), disturbed coordination (19.1%), and sensory disturbance (18.2%). Sensitivity of FAST for TIA/minor stroke increased from 66.4 to 80.8% with the addition of visual symptoms, and to 86.1% with further incorporation of dizziness/vertigo, albeit with a > 40% increase in the number of false positive events. Nearly all patients with major stroke (97.5%) experienced a combination of multiple symptoms, whereas 58.9% of patients with TIA and 26.4% of those with minor stroke reported only a single symptom. Conclusions In contrast to major stroke, sensitivity of the FAST test is limited to around 65% for TIA and minor stroke in a population-based setting. Sensitivity increases by incorporating visual symptoms and vertigo, but this comes with a large number of false positives. Findings of this study may favor a focus on the importance of isolated or transient symptoms, rather than additional symptoms, in future stroke public education campaigns.

BackgroundDeviations between the determination of bone age (BA) according to Greulich and Pyle (G&P) and chronological age (CA) are common in Caucasians. Assessing these discrepancies in a population over time requires analysis of large samples and low intra-observer variability in BA estimation, both can be achieved with artificial intelligence-based software. The latest software-based reference curve contrasting the BA determined by G&P to the CA of Central European children dates back over two decades.ObjectiveTo examine whether the reference curve from a historical cohort from the Netherlands (Rotterdam cohort) between BA determined by G&P and CA still applies to a current Central European cohort and derive a current reference curve.Materials and methodsThis retrospective single-center study included 1,653 children and adolescents (aged 3–17 years) who had received a radiograph of the hand following trauma. The G&P BA estimated using artificial intelligence-based software was contrasted with the CA, and the deviations were compared with the Rotterdam cohort.ResultsAmong the participants, the mean absolute error between BA and CA was 0.92 years for girls and 0.97 years for boys. For the ages of 8 years (boys) and 11 years (girls) and upward, the mean deviation was significantly greater in the current cohort than in the Rotterdam cohort. The reference curves of both cohorts also differed significantly from each other (P < 0.001 for both boys and girls).ConclusionThe BA of the current Central European population and that of the curve from the Rotterdam cohort from over two decades ago differ. Whether this effect can be attributed to accelerated bone maturation needs further evaluation.

During the Dark Ages, which include the Late Roman period ( ad 270–450) and the Early Middle Ages ( ad 450–1050), large-scale vegetation development in northwest Europe was characterised by widespread regeneration of woodlands. This regeneration phase represents a break from the extensive reduction in woodland from human activities in late Holocene vegetation history. In the Netherlands, possible causes for this reversal can be found in a decreased human impact on the landscape, a colder and possibly wetter climate, and geomorphological changes. This paper presents a synthesis from 38 pollen records from a range of sites across the Netherlands, from which regional differences in the degree of woodland regeneration and vegetation composition before and during the Dark Ages have been identified. Both original data as well as vegetation abundance modelled by REVEALS were used to assess the regrowth of the woodland cover. The observed trends were considered in terms of the landscape setting and population estimates in order to disentangle the relative importance of these forcing factors. The results indicate that landscape and human impact were the most important factors determining the vegetation structure and changes to it. The pollen data show that in the Netherlands, the clearance of woodland in the Roman period followed by its regrowth afterwards were greatest in the river area. This can be linked to a high population density there during the Roman period followed by a strong decrease of population in the Dark Ages and to increased flooding.

Background Health inequalities are already present at young age and tend to vary with ethnicity and socioeconomic status (SES). Diet is a major determinant of overweight, and studying dietary patterns as a whole in relation to overweight rather than single nutrients or foods has been suggested. We derived dietary patterns at age 5 and determined whether ethnicity and SES were both related to these dietary patterns. Methods We analysed 2769 validated Food Frequency Questionnaires filled in by mothers of children (5.7 ± 0.5y) in the Amsterdam Born Children and their Development (ABCD) cohort. Food items were reduced to 41 food groups. Energy adjusted intake per food group (g/d) was used to derive dietary patterns using Principal Component Analysis and children were given a pattern score for each dietary pattern. We defined 5 ethnic groups (Dutch, Surinamese, Turkish, Moroccan, other ethnicities) and 3 SES groups (low, middle, high, based on maternal education). Multivariate ANOVA, with adjustment for age, gender and maternal age, was used to test potential associations between ethnicity or SES and dietary pattern scores. Post-hoc analyses with Bonferroni adjustment were used to examine differences between groups. Results Principal Component Analysis identified 4 dietary patterns: a snacking, full-fat, meat and healthy dietary pattern, explaining 21% of the variation in dietary intake. Ethnicity was related to the dietary pattern scores ( p  < 0.01): non-Dutch children scored high on snacking and healthy pattern, whereas Turkish children scored high on full-fat and Surinamese children on the meat pattern. SES was related to the snacking, full-fat and meat patterns ( p  < 0.01): low SES children scored high on the snacking and meat pattern and low on the full-fat pattern. Conclusions This study indicates that both ethnicity and SES are relevant for dietary patterns at age 5 and may enable more specific nutrition education to specific ethnic and low socioeconomic status target groups.

The occurrence of ‘Candidatus Liberibacter solanacearum’ (Lso) was determined in commercial and wild species of the family Apiaceae, obtained from three seed collections held in the United Kingdom. The accessions dated from the 1970s and the seed had been sourced worldwide. Although only small quantities of each seed accession was tested, a high proportion of commercial carrot seed lots from European sources contained the bacterium; the earliest dating from 1973. Celery, parsnip and parsley seed were also tested and positive seed was found, dating from 1980, 2001 and 1990 respectively. This paper reports the first finding of Lso in celeriac seed with the earliest positive accession dating from 1979, also the first finding of Lso in the seed of the wild carrot Daucus carota and the related species D. aureus, both from Lebanon (1990). Lso was found in old commercial seed from countries not previously reporting the presence of this bacterium in Apiaceae species: Czech Republic, Denmark, Egypt, Japan, Netherlands, Soviet Union, Syria, United Kingdom and United States of America. There were clear differences in findings of the bacterium in historical seed from different regions of the world and different Apiaceae species, with few findings in seed from countries outside of the European-Mediterranean region and from wild Apiaceae species.

The Leiden Longevity Study consists of families that express extended survival across generations, decreased morbidity in middle-age, and beneficial metabolic profiles. To identify which pathways drive this complex phenotype of familial longevity and healthy aging, we performed a genome-wide gene expression study within this cohort to screen for mRNAs whose expression changes with age and associates with longevity. We first compared gene expression profiles from whole blood samples between 50 nonagenarians and 50 middle-aged controls, resulting in identification of 2,953 probes that associated with age. Next, we determined which of these probes associated with longevity by comparing the offspring of the nonagenarians (50 subjects) and the middle-aged controls. The expression of 360 probes was found to change differentially with age in members of the long-lived families. In a RT-qPCR replication experiment utilizing 312 controls, 332 offspring and 79 nonagenarians, we confirmed a nonagenarian specific expression profile for 21 genes out of 25 tested. Since only some of the offspring will have inherited the beneficial longevity profile from their long-lived parents, the contrast between offspring and controls is expected to be weak. Despite this dilution of the longevity effects, reduced expression levels of two genes, ASF1A and IL7R, involved in maintenance of chromatin structure and the immune system, associated with familial longevity already in middle-age. The size of this association increased when controls were compared to a subfraction of the offspring that had the highest probability to age healthily and become long-lived according to beneficial metabolic parameters. In conclusion, an \"aging-signature\" formed of 21 genes was identified, of which reduced expression of ASF1A and IL7R marked familial longevity already in middle-age. This indicates that expression changes of genes involved in metabolism, epigenetic control and immune function occur as a function of age, and some of these, like ASF1A and IL7R, represent early features of familial longevity and healthy ageing.

Baccharis halimifolia L. (Asteraceae) is a shrub native to North America which is invading estuarine communities in Europe. We report the invasion history and the distribution limits of B . halimifolia in Europe, with particular emphasis on the frequency of its presence in estuarine communities in Spain. B . halimifolia has been cultivated in Europe since the 17th century to present. It was first recorded as naturalized in the Bay of Biscay in 1906, where it forms currently stable and locally abundant populations in almost all the estuaries of Northern Spain and Western France. The ongoing invasion to the west could reach well conserved estuarine communities in Galicia (Spain). B . halimifolia also forms scattered populations in Northern and Southern France, Belgium, Netherlands, United Kingdom and Italy. In these countries it has experienced a rapid expansion during the last years. In Northern Spain, subhalophilous communities dominated by rush ( Juncus maritimus ) and/or sea couch ( Elytrigia atherica ), common reed stands ( Phragmites australis ) and ungrazed wet meadows are the most vulnerable to invasion. The subhalophilous communities are part of natural habitats of community interest according to the habitats directive 92/43/EEC. In some areas of Northern Spain these communities have been totally replaced by monospecific stands of B . halimifolia . In contrast, halophilous communities of the low marsh are resistant to invasion, suggesting that the survival of B . halimifolia may be limited by threshold values of salinity and waterlogging. With this study we want to raise awareness about the risk of replacement of estuarine subhalophilous communities by the ongoing invasion of B. halimifolia in Europe.