**Author details**

Gratiela Gradisteanu Pircalabioru1 \*, Octavian Savu2 , Grigore Mihaescu3 , Corneliu Ovidiu Vrancianu1 and Mariana-Carmen Chifiriuc1,3

1 Research Institute of University of Bucharest (ICUB), Bucharest, Romania

2 NIDNMD N.C. Paulescu, Bucharest, Romania

3 Faculty of Biology, Department of Microbiology and Immunology, University of Bucharest, Bucharest, Romania

\*Address all correspondence to: gratiela.gradisteanu@icub.unibuc.ro

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