Funding for this research was provided by:
Actelion Pharmaceuticals
Article History
Received: 2 August 2018
Accepted: 28 November 2018
First Online: 10 December 2018
Ethics approval and consent to participate
: Ethics approval was not required as no animals nor humans were involved in this study.
: All co-authors have consented to publication of this manuscript.
: The authors declare that they have no competing interests.
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