This corrigendum corrects the authorship information to: Yipeng Xu, Gabriela Pachnikova, He Wang, Yaoyao Wu, Dorothea Przybilla, Zihao Chen, Shaoxing Zhu, Ulrich Keilholz. At the request of Dr. Reinhold Schäfer and with the agreement of all authors, Dr. Reinhold Schäfer is excluded from the list of authors. Dr. Schäfer expresses no doubts about the article's results and conclusion but was erroneously included on the list of authors. The authors sincerely apologize for the error and confirm that this correction does not change the conclusion of the article.

Background A pilot study conducted in academic 2017/18 among undergraduates of the University of Sarajevo showed energy drinks to be most frequently consumed during academic activity, less frequently mixed with alcohol in leisure, and rarely in the sports activity. The aim of this study was to assess the impact of the COVID-19 pandemic on energy drinks consumption among undergraduates of the same University, with a focus on their consumption during exams. Study design A cross-sectional study was conducted by an online questionnaire. Methods The questionnaire, mainly based on the Consortium Nomisma-Areté questionnaire, was customized to compare energy drinks consumption before and during the COVID-19 pandemic, and distributed among students between July 26th, 2020 and April 3rd, 2021. Results Out of 1,045 students who chose to participate in the study (participation rate of 14.7%), 653 students, mostly women, attending the lower study years, reported energy drinks consumption. Both be-fore and during pandemic, overall energy drinks consumption was most frequently reported as rare [281 (43.9%) before, 326 (51.2%) during the pandemic], and exams-related energy drinks consumption as once or twice a week [156 (43.8%) before, 130 (42.1%) during pandemic]. The pandemic increased the number of frequent consumers (consumption of 4-5 energy drinks per week) in both overall [35 (5.5%) before, 46 (7.2%) during pandemic] and exams-related energy drinks consumption [42 (11.8%) before, 48 (15.5%) during pandemic]. Study year (OR=0.842; 95% CI 0.77-0.921; p<0.001), being single and living alone [OR=0.512; 95% CI 0.296-0.883; p=0.016), or living with a partner and children [OR=0.377; 95% CI 0.168-0.847; p=0.018) were identified as negative independent predictors for exams-related energy drinks consumption, while being a regular smoker (OR=0.429; 95% CI 0.223-0.875; p=0.011) appeared its new negative independent predictor during pandemic. Conclusions The pandemic seemed to decrease both the overall and exam-related energy drinks consumption among undergraduates of the University of Sarajevo with the exception of a portion of already frequent energy drinks consumers.

Introduction: Food and nutritional security is the realization of everyone’s right to regular and permanent access to quality food. In 2011 45% of children deaths in Brazil were related to malnutrition, which contributes to the maintenance of poverty and inequality. Methods: Data were collected from GBD Compare tool, between 1990 and 2019. The theoretical foundation was carried out through research on database platforms. Results and Discussion: Reduction of the rates of protein-energy malnutrition through the years was evidenced, on average a reduction of 6,2% every 10 years in all ages. The period of time of significant drop in food insecurity coincides with the implementation of specific policies for this purpose, and income redistribution policies, such as the Bolsa Família. Conclusions: The data showed that the situation of malnutrition in Brazil has decreased over the years, however the structural cause of food insecurity has not been removed.

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