Publications by authors named "V Stojanovic"

Background: There is a lack of information on the current healthcare systems for children with kidney diseases across Europe. The aim of this study was to explore the different national approaches to the organization and delivery of pediatric nephrology services within Europe.

Methods: In 2020, the European society for Paediatric Nephrology (ESPN) conducted a cross-sectional survey to identify the existing pediatric nephrology healthcare systems in 48 European countries covering a population of more than 200 million children.

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When the fault diagnosis datasets contains noise disturbances, small samples, compound faults, and mixed conditions, the feature extraction capability of the neural network will face significant challenges. This paper proposes an end-to-end multi-scale residual network with parallel attention mechanism to address the above complex problems. Firstly, the adaptive mixing pooling method is employed to facilitate the model's ability to retain effective feature information present within the timing signal.

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  • The study examined how the severity and presentation of multisystem inflammatory syndrome in children (MIS-C) vary among different SARS-CoV-2 variants using a group of 59 patients aged 0-18 years diagnosed with COVID-19 and MIS-C over a year.
  • Results showed that most patients were diagnosed during the Alpha (41%) and Delta (32%) periods, and respiratory symptoms were notably common in the Delta variant group.
  • However, the study found no significant differences in overall symptoms, lab results, treatment, or long-term outcomes across the different variant groups.
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  • * A comprehensive review of literature from 1990 to 2024 identified risk factors for OHSS, such as age and body weight, and indicated that using a GnRH antagonist reduces the risk compared to traditional protocols, although mild to moderate OHSS can still occur.
  • * Effective management of OHSS requires early diagnosis, consideration of psychological impacts, and adherence to evidence-based guidelines for patient care to ensure both safety and legal compliance.
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Electro-optic (EO) transduction of weak radio frequency (RF) and millimeter-wave signals, such as those received by an antenna, onto laser sidebands for processing in the optical domain requires efficient EO modulators. Microrings offer spatial density and efficiency advantages over Mach-Zehnder modulators (MZMs), but conventional single-ring modulators suffer a fundamental trade-off between resonantly enhanced conversion efficiency and the RF carrier frequency that it can accommodate. Dual-cavity "photonic molecule" modulators resolve this trade-off, allowing high efficiency independent of the RF carrier frequency by providing separate resonant supermodes to enhance the laser local oscillator (LO) and the narrowband RF-detuned sideband.

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