title: Authors' reply.
authors.affiliation: Faculty of Pharmacy, University Ss. Cyril and Methodius, Skopje, Macedonia, Serbia.
authors.forename: Katerina
authors.initials: K
authors.lastname: Brezovska
authors.forename: Ana Poceva
authors.initials: AP
authors.lastname: Panovska
authors.forename: Aleksandra
authors.initials: A
authors.lastname: Grozdanova
authors.forename: Ljubica
authors.initials: L
authors.lastname: Suturkova
authors.forename: Ivana
authors.initials: I
authors.lastname: Basta
authors.forename: Slobodan
authors.initials: S
authors.lastname: Apostolski