Galla, Mellany
Duensing, Ian
Kahn, Timothy L.
Barg, Alexej
Article History
Received: 13 November 2017
Accepted: 12 July 2018
First Online: 17 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The institutional review board (Ă„rztekammer Niedersachsen, 059/2015) approved this retrospective study, and informed consent was waived.