Hoffmann, Andreas
Grassl, Kerstin
Gommert, Janine
Schlesak, Christian
Bepperling, Alexander http://orcid.org/0000-0001-9392-0700
Article History
Received: 18 December 2017
Revised: 20 March 2018
Accepted: 10 April 2018
First Online: 17 April 2018
Compliance with ethical standards
:
: All authors are or have been employees of HEXAL AG. None of the authors owns stock of HEXAL AG (Novartis).