Abstract Tri-level optimization problems are optimization problems with three nested hierarchical structures, where in most cases conflicting objectives are set at each level of hierarchy.Such problems are common in management, engineering designs and in decision making situations in general, and are known to be strongly NP-hard.Existing solution m
Since its inception, the 2019 coronavirus disease (Covid-19) outbreak has become a major health problem.At the same time, countries worldwide have been waiting for a Covid-19 vaccine to be sufficiently available.When the Covid-19 vaccine became available, several countries began to adopt mandatory Covid-19 vaccination policies.However, mandatory Co
Crosstalk of renal epithelial cells with interstitial fibroblasts plays an important role in kidney pathophysiology.A previous study showed that crosstalk between renal epithelial cells and renal fibroblasts protects against acidosis-induced damage.In order to gain further mechanistic insight into this crosstalk, we investigated the effect of acido
In this study, the objective was to analyze the quality of accounting information of Brazilian non-profit organizations.As for the objective the research is characterized as a descriptive one; as for the research strategy it is documental and as for the approach it is quantitative.In order to measure the quality of the accounting information of the