Mönch, Sebastian http://orcid.org/0000-0001-6891-902X
Lehm, Manuel
Maegerlein, Christian
Hedderich, Dennis
Berndt, Maria
Boeckh-Behrens, Tobias
Wunderlich, Silke
Kreiser, Kornelia
Zimmer, Claus
Friedrich, Benjamin
Article History
Received: 9 May 2018
Revised: 21 August 2018
Accepted: 22 August 2018
First Online: 28 August 2018
Compliance with ethical standards
:
: This study was approved by the local ethics committee of the Technical University Munich. It has, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Written patient consent was waived by the local ethics committee due to the retrospective design.
: The authors declare that they have no conflict of interest.