Fröhlich, Kilian
Winder, Klemens
Linker, Ralf A.
Huhn, Konstantin
Engelhorn, Tobias
Dörfler, Arnd
Lee, De-Hyung
Schwab, Stefan
Seifert, Frank
Article History
Received: 24 June 2018
Revised: 24 July 2018
Accepted: 26 July 2018
First Online: 31 July 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.