Winkler, Bernd E.
Muellenbach, Ralf M.
Wurmb, Thomas
Struck, Manuel F.
Roewer, Norbert
Kranke, Peter
Article History
Received: 19 August 2015
Accepted: 1 February 2016
First Online: 9 February 2016
Compliance with ethical standards
:
: All authors state that they do not have any conflict of interest.
Free to read: This content has been made available to all.