Schulz, Dominik
Wirth, Markus
Piontek, Guido
Knopf, Andreas
Straube, Christoph
Pigorsch, Steffi
Combs, Stephanie E.
Pickhard, Anja
Article History
Received: 2 November 2017
Accepted: 26 February 2018
First Online: 8 March 2018
Compliance with ethical standards
:
: All authors have no conflicts of interest.
: Only routine clinical data were retrospectively collected from patients’ charts and pseudonymously analyzed, and therefore, no formal ethical approval was obtained. We declare that all authors have contributed to read and approved the final manuscript for submission.