Funding for this research was provided by:
Merck KGaA, Darmstadt, Germany
Text and Data Mining valid from 2018-06-18
Received: 18 October 2017
Accepted: 30 May 2018
First Online: 18 June 2018
Ethics approval and consent to participate
: The clinical trial protocol, including description of the qualitative interviews, was approved by all relevant independent ethics committees and institutional review boards at each site, and was conducted in accordance with the Declaration of Helsinki and Good Clinical Practice. A written informed consent was obtained from all the patients who agreed to be interviewed.
: JL, AM and FF, employees of Mapi and IG, employee of Mapi at the time the study was conducted, are paid consultants of Merck KGaA, Darmstadt, Germany. MB and MH are employees of Merck KGaA, Darmstadt, Germany.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.