Authorship contribution Jelena Stevanović, Maja Vulović, Anita Ivošević, Miljana Aksić developed the study, reviewed literature, analyzed data and wrote one part of the manuscript. Andjelka Stojković, Aleksandar Radunović, analyzed data and wrote one part of the manuscript. Aleksandar Cvetković, Mihailo Bezmarević., Bojan Milosević, Milan Jovanović reviewed the literature and wrote one part of the manuscript. Danijela Pavićević collected data, developed the study, analyzed data and wrote one part of the manuscript.