**Author details**

Ivana Djuric-Filipovic<sup>1</sup> \*, Snezana Zivanovic2 , Gordana Kostić3 , Djordje Filipovic4 , Marco Caminti<sup>5</sup> and Zorica Zivkovic6,7

\*Address all correspondence to: drivanica@yahoo.com

1 Sanofi Pasteur, Vaccine Division of Sanofi Aventis Group, Belgrade, Serbia

2 Faculty of Medicine, University of Nis, Pediatric Internal Diseases Clinic, Clinical Center of Nis, Niš

3 Faculty of Medical Science, University of Kragujevac, Children's Hospital-Clinical Centre Kragujevac, Kragujevac, Serbia

4 Institute for Emergency Medical Care, Belgrade, Serbia

5 Allergy Unit Asthma Center, Verona University Hospital, Verona, Italy

6 Children's Hospital for Lung Diseases and Tuberculosis, Medical Center "Dr Dragiša Mišović,"Belgrade, Serbia

7 Faculty of Pharmacy, University Business Academy in Novi Sad, Novi Sad, Serbia
