Busert, Laura K.
,
Mütsch, Margot
Kien, Christina
Flatz, Aline
Griebler, Ursula
Wildner, Manfred
Stratil, Jan M.
Rehfuess, Eva A.
Article History
Received: 26 July 2017
Accepted: 2 April 2018
First Online: 9 July 2018
Ethics approval and consent to participate
: Ethical approval was granted by the Ethics Committee of the Ludwig-Maximilians-Universität München (Munich, Germany), and responsibility waived by the Ethics Committee of the University for Continuing Education (Krems, Austria) and the Ethics Committee Zurich (Zurich, Switzerland). All participants gave their written consent to participate.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.