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Article Mobile Payment Adoption During the COVID-19 Pandemic: A Systematic Literature Review(Palgrave Macmillan Ltd, 2026) Belbag, Aybegum GungorduDuring the pandemic, the shift to non-physical transactions increased the need for mobile payments. This study aims to offer a systematic literature review on consumer behavior towards mobile payment during the pandemic, using the Theory, Context, Characteristics, and Methodology framework and following the Scientific Procedures and Reasons for Systematic Literature Reviews protocol. 47 articles from the WOS database were analyzed, revealing a dominance of quantitative studies, primarily based on the Technology Acceptance Model and UTAUT. Findings show that environmental stimuli and internal states (organism) shape behaviors and behavioral intentions (responses) towards mobile payments during the pandemic. The study concludes with future research directions grounded in the TCCM framework.Article Citation - WoS: 40Citation - Scopus: 53Impacts of Covid-19 Pandemic Period on Depression, Anxiety and Stress Levels of the Healthcare Employees in Turkey(Elsevier Ireland Ltd, 2021) Tengilimoglu, Dilaver; Zekioglu, Aysu; Tosun, Nurperihan; Isik, Oguz; Tengilimoglu, OnurThe COVID-19 pandemic has turned into a public health issue since December 2019 and has risen in all countries in the world. The healthcare employees taking part in the pandemic will eventually be affected by the process. The aim of the study is to determine the levels of the anxiety, depression, and stress of the healthcare employees during the COVID-19 pandemic in Turkey. As the data collection tool, an e-survey was used. In the first section, Depression, Anxiety and Stress Scale (DASS-21) was used. In the second section of the survey, the problems experienced by the healthcare employees during the pandemic and their working media were aimed to be defined. In the last section, the socio-demographic features of the employees were investigated. 2076 healthcare employees participated in the study. The results showed that the major cause of the anxiety or stress among healthcare employees comes from the fear to contaminate the COVID-19 virus to their families (86.9%). It was observed that the levels of depression, anxiety and stress of female employees are higher than that of male employees (p < 0.003). The highest depression, anxiety and stress levels of healthcare employees come from the pandemic, emergency, and internal services (p < 0.001). Health managers and policymakers need to make a move immediately to find solutions for the physical and psychological needs of the health employees. On the other hand, in order to minimize the risk, preparation of the work power plans beforehand and inclusion of obligatory referral chain into health services can be suggested.Article Effect of COVID-19 Infection on the Performance of Elite Adolescent Overhead Athletes(SAGE Publications Ltd, 2025) Uluǧ, Naime; Kodak, Seyde Büşra; Kodak, Muhammed Ihsan,; Karahan, Zehra Can; Kiliç, ErdenBackground: COVID-19 might have a negative impact on sports performance. There are few studies in the literature that assess how the sports performance of adolescent athletes is affected by COVID-19. Objective: This study aimed to compare the sports performance of adolescent overhead athletes who had COVID-19 infection with those who had not. Methods: The study involved adolescent elite overhead athletes from basketball, volleyball, handball, and tennis. Athletes’ performance were assessed using core muscle endurance, hand grip strength, upper extremity functional performance, reaction time and agility performance, and the 3-min step test. Results: Study included 47 adolescent overhead athletes (mean age 15.15 ± 1.51 years). The COVID-19 group showed significantly higher Borg Scale scores and decrease in oxygen saturation levels only after the step test (p = 0.02, p = 0.02, respectively). Additionally, COVID-19 group had lower grip strength in both right and left hands compared to the non-COVID group (p = 0.01, p = 0.05, respectively). No significant association was found between core muscle power and endurance, upper extremity functional performance, reaction time and agility performance (p > 0.05). Conclusions: Our results showed reduced hand grip strength and increased fatigue following COVID-19 infection in adolescent overhead athletes. Time period after COVID-19 infection had a negative correlation with sports performance and core endurance. © 2025 Elsevier B.V., All rights reserved.

