Hernekamp, J. F. http://orcid.org/0000-0001-7441-5776
Schönle, P.
Kremer, T.
Kneser, U.
Bickert, B.
Article History
Received: 23 June 2019
First Online: 6 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article represents a retrospective analysis, which was approved by the regional gorvernmental ethical committee.