**Elena Roxana Chiriac 1,2, Carmen Lidia Chi¸tescu 2,\*, Daniela Borda 3, Mariana Lupoae 2, Cerasela Elena Gird 1, Elisabeta-Irina Geană 4, Giorgiana-Valentina Blaga <sup>3</sup> and Rica Boscencu <sup>1</sup>**

