Received: 8 November 2020
Accepted: 8 February 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: The authors state that all methods of our observational study on human participants were carried out in accordance with the Declaration of Helsinki, relevant guidelines and regulations of BMC journal policy.Our observational study has obtained the approval of the Clinical Research Coordination Office of the University of Szeged, with the registration number: 3/2019-SZTE.Written consent was attained from all patients involved. Informed consent was obtained from all patients (all patients were above the age of 18).
: Written, informed consent for publication of identifying information/images in an online open-access publication was obtained from all patients (all patients were above the age of 18).
: The authors declare that they have no competing interests.