Eckert, J.
Renczes-Janetzko, P.
Schmidt, M.
Magedanz, A.
Voigtländer, T.
Schmermund, A.
Article History
Received: 26 July 2018
Accepted: 3 September 2018
First Online: 5 September 2018
Compliance with ethical standards
:
: There are no conflicts of interest of any of the contributing authors.