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Article History

Received: 2 October 2018

Accepted: 4 September 2019

First Online: 14 September 2019

Ethics approval and consent to participate

: Ethical approval for this study and for the use of patient’s personal and medical data from the Clinical Pathology and Cytology at the University Clinical Center Sarajevo was issued by the Ethical Committee at the University Clinical Centre Sarajevo (No. 0302–36765). The data were analyzed anonymously. Written informed consents from all the patients for using their samples for the purposes of this study were obtained prior to surgery. The requirement to obtain the consents from the control individuals had been waived due to the following reasons: the control participants were healthy blood donors, randomly selected upon regular medical examinations whereby only the remains of their samples were used for the purposes of the present study, no additional risks to the subjects existed, no individually identifiable as well as medical or any other sensitive information were used for this study, the study would not adversely affect the rights and welfare of the subjects, and the results of the study would have no effect on the subjects.

: Not applicable.

: The authors declare that they have no competing interests.