Schröter, C.
Urbanek, F.
Frömke, C.
Winkelmann, M.
Mommsen, P.
Krettek, C.
Zeckey, C. http://orcid.org/0000-0001-6876-4937
Article History
Received: 28 July 2017
Accepted: 7 December 2017
First Online: 12 December 2017
Compliance with ethical standards
:
: Christian Schröter, Florian Urbanek, Cornelia Frömke, Marcel Winkelmann, Philipp Mommsen, Christian Krettek, and Christian Zeckey declare that they have no conflict of interest.
: The study was approved by the Ethical Committee of Hannover Medical School (ID 3438-2016) and followed the declaration of Helsinki in its latest version.