Here we demonstrate quasi-phase-matched up- and down-conversion in a periodically poled van der Waals semiconductor (3R-MoS2). This work opens the new and unexplored field of phase-matched nonlinear optics with microscopic van der Waals crystals.

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The aim of this research was to determine whether there is a relationship between body composition and motor abilities. A total of 50 participants, non-athletes, school-aged, from the school "Vožd Karađorđe" from Niš, male and female, average age 12.9 years, participated in this research. The research examined whether there is a relationship between parameters of the body composition and tests of explosive power, speed and agility. Tests were used to asses explosive power: countermovement jump (CMJ), countermovement jump with free arms (CMJA), squat jump (SJ) and five jump test (5JT). To asses speed we conducted tests 5m sprint (5m), 10m sprint (10m) and 20m sprint (20m). The following tests were used to assess agility: T-test, Zig Zag and Slalom. We used Pearson's correlation analysis to determine the relationship between body composition variables and motor abilities variables. As a result, it was proven that there are statistically significant correlation between body composition and motor abilities of school-age children.

Frequent sedentary behavior caused by the increased use of new technologies has contributed to the increase in overweight and obesity in children. These lifestyle changes include insufficient physical activity (PA) or an unfavorable relationship between food energy intake and energy expenditure. Parents and the family environment play a significant role in the development of obesity in their children. This study aimed to determine parents' attitudes about the FA of children of different nutritional levels (body mass index - BMI). A total of 149 respondents, parents of students in the first to fourth grades of urban and rural elementary schools, participated in the research. For the purposes of this research, the Fels Questionnaire (FELS PAQ) was used to assess the level of PA in children. The results indicate that there is no statistically significant difference in the intensity of attitudes about PA between parents of overfed and obese children and parents of normally fed children, as well as between mothers and eyes. A statistically significant association between actual and perceived PA levels was found in parents of over-nourished and obese children. Analysis of the difference in the intensity of attitudes about PA among parents of overfed and obese children from urban and rural areas revealed that there is no difference in the attitudes of parents from urban and rural areas

Background: Levetiracetam (LEV) is a broad spectrum second-generation antiepileptic drug (AED). Objective: The objective of the study was to investigate the efficacy and safety of levetiracetam for childhood epilepsies. Methods: This is single, tertiary centre observational, prospective study, that included paediatric patients who were treated with levetiracetam at Paediatric hospital University Clinical Centre Sarajevo, during the period of 15 years (2008-2022). Inclusion criteria were: paediatric patients age > 1 month, diagnosed with epilepsy according to International League Against Epilepsy. After the introduction of levetiracetam, each patient has been followed up at least 12 months. According to the outcome the patients were divided into 5 groups: seizure reduction >50%, seizure reduction <50%, complete seizure freedom, the same number of seizures and increased number of seizures. From these groups two intergroups have been formed: responders (seizure reduction >50% and complete seizure freedom) and non-responders (seizure reduction <50%, the same number of seizures and increased number of seizures). Results The study enrolled 259 patients (141 female and 118 male), with mean age 7 years (3,0–12.0). Comorbidities were present at 129/259 (49.8%) patients. After 12 months of treatment, 25/259 (9.7%) patients had seizure reduction >50%, 30/259 (11.6%) patients had seizure reduction <50%, 154/259 (56.5%) patients had achieved seizure freedom, 31/259 (12%) patients had same number of seizures, while 19/259 (7.3%) patients had increased number of seizures. Seizure frequency between responders and non-responders, before treatment and after 12 months of treatment was statistically significant (p<0.001). Discussion: Non responders had the best outcome with ditherapy (30/79; 38%), while responders had the best outcome with monotherapy (161/180;89.4%). Conclusion: Levetiracetam is efficient antiepileptic drug for different types of epilepsies in childhood, used as mono, di or polytherapy.

Obesity is a chronic, complex, relapsing disease impacting healthcare systems and the economy worldwide. We aim to analyze the utilization trends of antiobesity drugs, and their reimbursement status on drug lists of health insurance funds (HIF) in selected European countries. The DDD/1000 inhabitants/day methodology is used for utilization trend analysis, where data from official national utilization reports were used. For the reimbursement status analysis of 5 antiobesity drugs (orlistat, semaglutide, liraglutide, naltrexone/bupropion, setmelanotide), the websites of national health insurance funds (HIF) of 22 European countries were screened. Trend analysis revealed fluctuation for almost all antiobesity drugs (the highest decrease seen for orlistat in Serbia, and the highest increase for liraglutide in Croatia). Novel antiobesity drugs show an increasing utilization trend in almost all the countries. In two out of three European countries, 437 antiobesity drugs are not covered by the HIF. Slovenia and Denmark reimburse most of the antiobesity drugs. The Netherlands is the only country where the cost of setmelanotide is paid by the HIF. Our results emphasize the importance of prioritizing the introduction and implementation of new strategies and reimbursement scheme models in global and national antiobesity policies.

Introduction: We are increasingly witnessing the self-initiated, uncontrolled stacking of incompatible anabolic substances in various cycles in the young Balkan Recreational Bodybuilding population group, increasingly frequent acts of violence in our country and the emergence of a neglected and very silent epidemic that is taking on an increasingly aggressive course of illness and psychological behavior. Black market anabolic steroids are associated with many generally health problems and uncontrolled aggression behavior by abusers. Young unsolicited recreate bodybuilding are also associated with generalized atherosclerosis and potential increased high risk for heart disease that can structural and functional damage the cardiovascular system during muscle mass steroid cycles. Besides high calorie intake, elevating serum blood lipid cholesterol levels LDL lowering HDL levels, elevating, systolic and diastolic blood pressure take a certain participation in cardiovascular risk and therefor need a development of certain cardiovascular protection strategies for this avoiding medical supervision anabolic steroids abuser group which are not yet appropriate established. The aim of the short study was to estimate Cardiovascular Protective Strategy Measures on lipid levels, and blood pressure status in a young recreational bodybuilder with different ethnic groups who Abuse Anabolic Steroids during controversial and different mass Cycles with and without taking Polyunsaturated Fatty Acids and Acetylsalicylic Acid (ASA) and Statins. Subjects and methods: This study was conducted from beginning of January, 2022 till end of July, 2022. 140 subjects are included age 17-30 (74 male Recreational Bodybuilder Who Abuse Anabolic Steroids on Simvastatin’s 10mg and Acetylsalicylic Acid 150mg doses of (ASA) and 10 grams of Polyunsaturated Fatty Acids during mass Steroid Cycles and 66 impellers group of male Recreational Bodybuilder Who Abuse Anabolic Steroids consisting without consume Statins and Acetylsalicylic Acid (ASA) during mass Steroid Cycles). For the testing of statistical significance of differences between the exanimated groups non-parameter and parameter tests were used. The difference at a level of p< (0,001) was statistically significant. Results: In all the tested subjects we investigated increasing lipid levels and blood pressure after six months of study. Analysis shows the statistically insignificant influence of antiplatelet therapy (150mg Acetylsalicylic acid) (ASA), combined with Simvastatin 10mg p<(0,001) in steroid abuse subjects during irrational muscle mass steroid cycles. Conclusion: Lack of familiarity with combinations of anabolic substances, as well as the danger of oral applications of very harmful steroids from the former Soviet Union and German Democratic Republic (GDR), this study showed. Avoidance of physician supervision by recreate bodybuilders by deceiving of the athletic subjectivity look, seams appears almost always in gym. This cardiovascular protective measures have poor benefit appeared to be usefully blind preventing strategy of controlling blood lipid levels during muscle mass steroid cycles, with no guaranty of worsen cardiovascular condition by abusing anabolic steroids. The influence of the reflection of the COVID 19 virus on such dramatic therapeutic results in this population group of two groups cannot be ruled out for sure.

Introduction: Adequate individual physical activity after COVID 19 infection as a inevitable part of postoperative therapy of surgically treated vascular and endovascular patients witch still remains a scientific unexplored international neglected secret. General post-covid symptomatology is increasingly present in patients with surgical or endovascular procedures on the iliac segment in the form of a manifestation of various complaints that can affect the very accessibility of the choice of treatment according to the TASC II guidelines, but also affect physical activity and quality of life. Besides the medicament treatment, the management of moderate intensity exercise therapy and future consistency of self-controlled exercise after surgical and endovascular after treatment in iliac critic stenosis with other asymptomatic systemic atherosclerosis can be important factor to support and improve benefits of surgical and endovascular treatment outcome in variable symptomatology of POSTCOVID 19 patients treated classical surgical and endovascular. Goals: The focus is on priority of investigation of remodeling the pattern of cultural smoking behavior and increasing the dynamic of physical activity trying to prevent and avoid potential risk of sudden death, myocardial infarction, stroke graft (stent) occlusion, and cardiovascular mortality in patients with POSTCOVID 19 symptomatology in which is besides other asymptomatic systemic atherosclerosis is the main disease critical iliac artery stenosis (TASC II A and B). Scientifically unproven that sometimes can be associated with poor outcome of surgical intervention the which are in deficit with scientific studies to confirm these scientific observations. Second goals are to investigate the potential possibility of POST COVID 19 symptomatology associated with the success of classic surgical bypass or endovascular intervention and the possibility of reflection on physical activity after vascular intervention. Also the improving and secure the quality of life after successful surgical bypass and endovascular revascularization treatment with influence on primary iliac (TASC II A and B) vascular intervention potency one of main goals as well suppress permanent or permanent consequences of the Covid 19 virus during therapeutic surgical or endovascular procedures of the iliac segment (TASC II A and B) Traditional food as well wrong choice of diet and continuous fight with nicotinism is still remains generally main health threat. Subjects and Methods: 266 Symptomatic post COVID 19 Patients with were observed during 3 years (134 patients with surgical dacron reconstruction and 132 with endovascular treatmant of short segment critical iliac artery stenosis) Moderate interval Intensity Training with Short Interval Repetitions on standard treadmill procedure. Results: The connection of the outcome of surgical and endovascular treatment with post and long covid 19 symptomatology is possible and has a significant impact on the quality of the continuation of physical medication therapy. Difference between the surgical and endovascular groups was observed after the implementation of the treatment as well as factors affecting the outcome of therapy. the outcome is devastating with the prevention of the risk factor of nicotism as well as with the lack of physical activity in some groups. Conclusion: Primary potency after Three years of Endovascular procedure and Dacron bypass Revascularization, has shown as successful with support of supervised exercise training in POSTCOVID 19 patients. Nicotiism still remains highly potency outcome threat when supporting exercise therapy. Also, future and recent studies on this topic should expand their understanding of the effect of the COVID 19 virus on the body in this patients, as well as improving the quality of life in order to improve the patency of bypass or endovascular intervention on the arterial iliac segment.

Background: Out-of-hospital cardiac arrest (OHCA) refers to the cessation of mechanical cardiac activity outside healthcare facilities which requires prompt intervention and intensive resuscitative efforts. The COVID-19 pandemic has caused significant disruptions to OHCA systems-of-care, adversely affecting every component of the chain of survival. Objective: The objective of this study was to examine the potential impacts of the COVID-19 pandemic on OHCA events, to draw comparisons between the period before and during the COVID-19 pandemic. Methods: This cross-sectional study encompassed data pertaining to all OHCA incidents attended to by the Emergency Medical Service of Canton Sarajevo, covering the period from January 2017 to December 2022, before and during the COVID-19 pandemic. Results: During observed period, a total of 1418 [796 (56.1%) before and 622 (43.9%) during COVID-19 pandemic] OHCA events have occurred in Canton Sarajevo of which 297 (20.9 %) [180 (12.7%) before and 117 (8.2%) during COVID-19 pandemic] obtained ROSC. After a 30-day period following the ROSC) it was observed that the predominant outcome, accounting for 181 (12.7%) [106 (7.4%) before and 75 (5.2%) during COVID-19 pandemic] of cases, was a complete recovery. An examination before and during COVID-19 pandemic revealed a decline in OHCA during the year 2021 and 2022 when COVID-19 pandemic was at its highest in the country Being younger, quicker EMT response time and individuals with the initial rhythm of VF or VT were significantly associated with obtaining ROSC (p<0.05). Only 48 (3.3%) of 1418 OHCA events were assisted by bystanders There was no report of AED usage. Conclusion: In conclusion, our investigation highlights the impact of the COVID-19 pandemic on OHCA events in Canton Sarajevo, revealing a decrease in OHCA incidence and a reduction in cases achieving ROSC. Notably, EMT response time was shorter during the pandemic.

In this article, we address a form of active perception characterized by curiosity-driven, open-ended exploration with intrinsic motivation, carried out by a group of agents. The multiple agents and a large number of possible actions are the main motivation for incorporating Multi-Agent Reinforcement Learning used to train a neural network in order to derive agent’s policy. Partially Observable Markov Decision Process framework is used to accommodate the inaccuracy of sensors and probabilistic nature of agent’s actions. The proposed method incorporates a consensus that derives the common belief vector, thus allowing each agent to make its decisions based on information acquired by all agents involved in the process of active perception. A well-known benchmark problem with a decentralized tiger scenario was used to demonstrate the possibility of the method to generate agents with different perceptual characteristics by simply changing the agents’ reward function related to their intrinsic motivation. The main validation of the proposed approach was performed by using an example of multi-agent search mission. Final results are presented and discussed, and possible avenues for progress on open problems are identified.