Funding for this research was provided by:
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja (III41022, 175018)
Received: 4 June 2020
Accepted: 16 July 2020
First Online: 21 July 2020
Ethics approval and consent to participate
: All the procedures were in accordance with the “Declaration of Helsinki”. This study was approved by the Ethical committee of Clinical Center of Serbia. Informed consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.