Article History
Received: 26 August 2020
Accepted: 12 February 2021
First Online: 10 March 2021
Ethical approval and consent to participate
: The study was approved by the Medical Ethical Committee of the Martin-Luther University Institutional Review Board (ethics approval No. 2020-034). Verbal informed consent was received from each participant.
: Not applicable.
: The authors declare that they have no conflict of interest related to this article.