Knyazeva, P.
Walz, M. K.
Alesina, P. F.
Article History
Accepted: 9 December 2020
First Online: 23 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethic Committee of the Evang. Kliniken Essen-Mitte.
: Informed consent was obtained from all individual participants included in the study.