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- Lu, Yingchang, et al.
(författare)
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New loci for body fat percentage reveal link between adiposity and cardiometabolic disease risk
- 2016
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 7
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Tidskriftsartikel (refereegranskat)abstract
- To increase our understanding of the genetic basis of adiposity and its links to cardiometabolic disease risk, we conducted a genome-wide association meta-analysis of body fat percentage (BF%) in up to 100,716 individuals. Twelve loci reached genome-wide significance (P<5 × 10(-8)), of which eight were previously associated with increased overall adiposity (BMI, BF%) and four (in or near COBLL1/GRB14, IGF2BP1, PLA2G6, CRTC1) were novel associations with BF%. Seven loci showed a larger effect on BF% than on BMI, suggestive of a primary association with adiposity, while five loci showed larger effects on BMI than on BF%, suggesting association with both fat and lean mass. In particular, the loci more strongly associated with BF% showed distinct cross-phenotype association signatures with a range of cardiometabolic traits revealing new insights in the link between adiposity and disease risk.
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- Berger, Christian, 1980, et al.
(författare)
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Simulations on Consumer Tests: A Systematic Evaluation Approach in an Industrial Case Study
- 2015
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Ingår i: Ieee Intelligent Transportation Systems Magazine. - : Institute of Electrical and Electronics Engineers (IEEE). - 1939-1390 .- 1941-1197. ; 7:4, s. 24-36
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Tidskriftsartikel (refereegranskat)abstract
- Context: Consumer tests which assess safety features of modern vehicles have a tradition in Europe. Recently, such test protocols have been substantially extended to also cover active safety systems like Volkswagen's Front Assist. Objective: Simulations for passive safety systems are already a widely adopted approach during vehicle development and internal assessments. As active safety systems are becoming an increasingly important element in a vehicle's safety concept and a differentiating feature, a systematic validation and assessment of such systems is necessary to successfully pass consumer tests and complimentarily identified, relevant traffic scenarios. Method: With this work, we extend our previous conference publication about EuroNCAP CCRs tests by additionally investigating US NCAP scenarios for an AEB system. Therefore, we systematically modeled the allowed variations with a graph where the paths represent concrete test scenarios. These paths are used in a virtual test environment to assess the AEB system. In our previous publication, we illustrated our method of test case generation and simulating consumer test scenarios by showing results of 27 specific test cases. In this work, we focused on integrating a test automatization routine as well as evaluating a set of test cases with a factor of 100 compared to our previous paper. Results: We demonstrate the approach for both EuroNCAP's and US NCAP's CCRs scenarios with a total quantity of more than 2,700 test cases including re-runs to systematically evaluate an AEB algorithm. Our results unveiled varying action points in time for the same initial values for a given consumer test scenario while applying different allowed variations. Conclusion: We foresee the importance of complementary virtual testing for real-world tests on proving grounds especially during the design phase. Our study shows that already small variations that yet accord with the test procedure specification influence the behavior of an active safety system and need to be investigated during development and vehicle testing.
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