Engelmann, Robby http://orcid.org/0000-0002-1048-3638
Nekarda, Sven
Kuthning, Daniela
Kneitz, Christian
Müller-Hilke, Brigitte
Funding for this research was provided by:
Pfizer (WI170970)
Article History
Received: 17 November 2017
Revised: 23 January 2018
Accepted: 22 February 2018
First Online: 3 March 2018
Compliance with ethical standards
:
: This work was supported by the Pfizer Inc. The funding agency had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. C.K. received consulting and lecture fees from Pfizer Inc. All other authors have no further financial relationship with the sponsor and declare no additional conflicts of interest.