Radoicic, Dragan http://orcid.org/0000-0003-1721-2512
Zec, Vladimir
Elassuity, Walaa Ikram
Azab, Mostafa Abdelmaboud
Article History
Received: 15 May 2018
Accepted: 24 May 2018
First Online: 1 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Institutional review board approval was obtained prior to starting this research.All procedures performed in this study were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.