Vukovic, Rade http://orcid.org/0000-0002-1592-4105
Jesic, Maja D.
Vorgucin, Ivana
Stankovic, Sandra
Folic, Nevena
Milenkovic, Tatjana
Sajic, Silvija
Katanic, Dragan
Zivic, Sasa
Markovic, Slavica
Soldatovic, Ivan
Article History
Received: 15 April 2018
Revised: 5 May 2018
Accepted: 8 May 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consents were obtained from the parents or guardians of all participants for admission to hospitals and the procedures performed during the course of hospitalization. Study was approved by the Hospital Ethics Committee and data were retrospectively collected in accordance with the 1964 Declaration of Helsinki and its later amendments, and waiver was approved for individual written consent on the basis of non-identifiable use of previously obtained retrospectively collected data.