Funding for this research was provided by:
Merck KGaA, Darmstadt, Germany
Pfizer Inc, New York, NY, USA
Received: 25 August 2017
Accepted: 29 November 2017
First Online: 22 December 2017
Change Date: 27 March 2019
Change Type: Correction
Change Details: .
Ethics approval and consent to participate
: This study was performed in compliance with the ethical principles arising from the Declaration of Helsinki and all current local regulations. The study protocol was approved by an Independent Ethics Committee or Institutional Review Board prior to the study launch at each site. All patients gave written informed consent.
: Not applicable.
: MB and MS are employees of Merck KGaA, Darmstadt, Germany. FF, CDB, PW, and AM are employees of Mapi and paid consultants to Merck KGaA, Darmstadt, Germany. LM is an employee of EMD Serono, Boston, MA, USA. Authors did not receive payment for authorship.
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