Alberts, Ian http://orcid.org/0000-0003-2095-2263
Vollnberg, Bernd
Sachpekidis, Christos
Mingels, Clemens
Weidner, Sabine
Afshar-Oromieh, Ali
Rominger, Axel
Article History
Received: 4 May 2020
Accepted: 12 May 2020
First Online: 22 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article reports a statistical analysis which did not require access to patient records. It does not contain any studies with human or animals performed by any of the authors.
Free to read: This content has been made available to all.