Härtel, Christoph
Paul, Pia
Hanke, Kathrin
Humberg, Alexander
Kribs, Angela
Mehler, Katrin
Vochem, Matthias
Wieg, Christian
Roll, Claudia
Herting, Egbert
Göpel, Wolfgang
Article History
Received: 25 October 2017
Accepted: 26 March 2018
First Online: 29 May 2018
Competing Interests
: Christoph Härtel, Egbert Herting and Wolfgang Göpel have received funding for a clinical study and have received payments for advisory board duties from Chiesi Pharmaceuticals, Parma, Italy. All other authors have indicated that they have no financial relationships relevant to this article to disclose.