EN
The original version of the article was published in Central European Journal of Medicine Volume 6, Number 5, 665–671, DOI: 10.2478/s11536-011-0052-y. Unfortunately, the original version of this article contains mistakes in the Authors names section. There should be: Suzana Otasevic1, Natasa Miladinovic-Tasic1, Jovana Đorđević1, Gordana Ranđelović1, Aleksandra Ignjatović1, Predrag Stojanović1, Dragan Zdravković2, Roberta Marković2