Received: 3 April 2020
Accepted: 25 November 2020
First Online: 28 December 2020
Ethics approval and consent to participate
: The present study was approved by the Hungarian Medical Research Council Committee of Science and Research Ethics (Approval No. 15028–2/2017/EKU) and performed by following per under the tenets of the Declaration of Helsinki. All participants gave written informed consent to the study.
: Not applicable. No image or other personal or clinical details of participants are shown, which would compromise anonymity.
: The authors declare that they have no competing interests.