Hoetzenecker, W.
Nägeli, M.
Mehra, E. T.
Jensen, A. N.
Saulite, I.
Schmid-Grendelmeier, P.
Guenova, E.
Cozzio, A.
French, L. E.
Article History
Received: 19 August 2015
Accepted: 30 October 2015
First Online: 9 November 2015
Compliance with ethical standards
:
: Additional informed consent was obtained from all individual participants for whom identifying information is included in this article.
: The authors declare that they have no competing interests.