Panova-Noeva, Marina
Arnold, Natalie
Hermanns, M. Iris
Prochaska, Jürgen H.
Schulz, Andreas
Spronk, Henri M.
Binder, Harald
Pfeiffer, Norbert
Beutel, Manfred
Blankenberg, Stefan
Zeller, Tanja
Lotz, Johannes
Münzel, Thomas
Lackner, Karl J.
ten Cate, Hugo
Wild, Philipp S.
Article History
Received: 15 November 2016
Accepted: 2 December 2016
First Online: 6 January 2017
Competing interests
: The authors declare no competing financial interests.