Grott, M.
Rickert, A.
Hetjens, S.
Kienle, P.
Article History
Accepted: 16 December 2020
First Online: 2 January 2021
Conflicts of interest/competing interests
: The authors declare that they have no conflict of interest in connection with this study.
: This study was approved by the Ethical Review Board Medizinische Ethikkommission II der Medizinischen Fakultät Mannheim (reference number: 2016-531 N-MA).
: Informed consent was obtained from all individual participants included in the study.