Stojsavljević, Aleksandar
Sokić-Milutinović, Aleksandra
Rovčanin, Branislav
Tončev, Ljubiša
Manojlović, Dragan
Article History
Received: 20 May 2021
Accepted: 31 July 2021
First Online: 6 August 2021
Declarations
:
: Approval was obtained by the Local Ethical Board of the Clinic for Gastroenterology, Clinical Center of Serbia (Belgrade).
: All patients and healthy blood donors voluntarily participated in this study, and written informed consent from all study participants was obtained according to the ethical standards defined by the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.