Received: 16 July 2020
Accepted: 29 December 2020
First Online: 13 January 2021
Ethics approval and consent to participate
: The study was performed in accordance with Declaration of Helsinki and approved by the Scientific Research Ethics Committee, Semmelweis University, Budapest with approval number 250/2013. All clients were capable of making decisions regarding their participation in this study, and accordingly, written, informed consent was obtained.
: This manuscript does not include any details, images, or videos relating to an individual person that compromises anonymity.
: The authors declare that they have no competing interests.