Schiffmann, Jonas
Karakiewicz, Pierre I.
Rink, Michael
Manka, L.
Salomon, Georg
Tilki, Derya
Budäus, Lars
Pompe, Raisa
Leyh-Bannurah, Sami-Ramzi
Haese, Alexander
Hammerer, P.
Huland, Hartwig
Graefen, Markus
Tennstedt, Pierre
Article History
Received: 12 November 2017
Accepted: 16 February 2018
First Online: 2 March 2018
Compliance with ethical standards
: The study was conducted according to the principles of the declaration of Helsinki.
: The authors declare that they have no conflict of interest.