Wutzler, S.
Sturm, K.
Lustenberger, T.
Wyen, H.
Zacharowksi, K.
Marzi, I.
Bingold, T.
Article History
Received: 14 November 2015
Accepted: 30 May 2016
First Online: 6 June 2016
Compliance with ethical standards
: This study was performed following a protocol approved by the Ethical Committee of the University Hospital Frankfurt (137/13).
: Sebastian Wutzler, Katharina Sturm, Thomas Lustenberger, Hendrik Wyen, Kai Zacharowski, Ingo Marzi and Tobias Bingold declare that they have no conflict of interest.