Abstract Background Pre-exposure prophylaxis (PrEP) prevents human immunodeficiency virus (HIV) infection, but its use remains low among U.S.military men who have sex with men (MSM), likely due to mis-matching with personal preferences.We conducted a study to characterize preferences to PrEP measures within this population.Methods HIV-negative mili
In this paper, we consider the parameter identification problem of partial differential equations with constraints.A urethral-inserts nonlinear multigrid method is introduced to the process of parameter inversion.By keeping the objective functions on coarse grids consistent with those on fine grids, the proposed method reduces the dimensions of obj
Objectives: On the one hand, increased growth of the elderly population and on the other hand, social– economic changes, personal and family lifestyles have caused an increased number of the elderly protecting centres.The aim of the present survey is to compare the fear of death among the elderly settled in elderly home and inhabited in city
Ambient cured alkali-activated mortars (AAMs) are developed through the activation of supplementary cementitious materials (SCMs) by powder form reagents Paper Tableware with silica sand using a novel dry-mixing method.The fresh state, rheological, compressive strength and microstructural characteristics of eight AAM mixes are comprehensively inves
This article concerns the implementation of new EU Directives coordinating Play Toys the procedures for awarding public contracts in European Union Member States.In a number of countries, including Poland, the process of their implementation (Directive 2014/24/EU of the European Parliament and of the Council of 26 February 2014 on public procuremen