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| http://dx.doi.org/10.5665/sleep.2696 | DOI Listing |
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Determination of the beam quality correction factor for the PTW Semiflex 3D ionization chamber for the reference dosimetry at ZAP-X.
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January 2025
University Clinic for Medical Radiation Physics, Medical Campus Pius Hospital, Carl von Ossietzky University, Oldenburg, Germany.
Purpose: The self-shielding radiosurgery system ZAP-X consists of a 3 MV linear accelerator and eight round collimators. For this system, it is a common practice to perform the reference dosimetry using the largest 25 mm diameter collimator at a source-to-axis distance (SAD) of 45 cm with the PTW Semiflex3D chamber placed at a measurement depth of 7 mm in water. Existing dosimetry protocols do not provide correction for these measurement conditions.
View Article and Find Full Text PDFSugar-sweetened or artificially sweetened beverage consumption, physical activity and risk of type 2 diabetes in US adults.
Diabetologia
January 2025
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
Aims/hypothesis: A positive association between sugar-sweetened beverages (SSBs) and diabetes risk has been shown, with inconsistent evidence between artificially sweetened beverages (ASBs) and diabetes. Moreover, it is uncertain if physical activity can mitigate the negative effects of these beverages on diabetes development. Therefore, we aimed to evaluate the independent and joint associations between SSB or ASB consumption and physical activity on the risk of type 2 diabetes.
View Article and Find Full Text PDFExposing the obscured influence of state-controlled media via causal inference of quotation propagation.
Sci Rep
January 2025
MIT Lincoln Laboratory, 244 Wood Street, Lexington, MA, 02421, US.
Reporting by major media outlets influences news coverage by other outlets, resulting in an outsized impact on public opinion. Understanding this inter-outlet influence, known as intermedia agenda setting, is important for assessing the impact of state media and strategic communications. We demonstrate a novel method to quantify inter-outlet influence using causal inference on "quote following," where one outlet uses the same quote as another outlet at a later date.
View Article and Find Full Text PDFCorrelates of COVID-19 conspiracy theory beliefs in Japan: A cross-sectional study of 28,175 residents.
PLoS One
January 2025
Division of Epidemiology, School of Public Health, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
Background: The COVID-19 pandemic was associated with an increase in conspiracy theories worldwide. However, in Japan, the prevalence of COVID-19 conspiracy beliefs has remained unclear. This study aimed to estimate the prevalence and correlates of COVID-19 conspiracy beliefs using a survey of 28,175 residents of Japan aged 16-81 years old.
View Article and Find Full Text PDFDetermining the methodological rigor and overall quality of out-of-hospital clinical practice guidelines: a scoping review protocol.
JBI Evid Synth
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Health Evidence Synthesis, Recommendations and Impact (HESRI), School of Public Health, Faculty of Health and Medical Science, The University of Adelaide, Adelaide, SA, Australia.
Objective: This scoping review will aim to determine the methodological rigor and quality of out-of-hospital clinical practice guidelines (CPGs) by collating and describing all literature that assessed these documents using a structured appraisal instrument.
Introduction: In the out-of-hospital setting, the provision of emergency health care by paramedics and first responders is guided, directed, or informed by localized, overarching CPGs. Numerous CPGs in this setting have been assessed for their methodological rigor and overall quality using an appraisal instrument.
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