Elfgen, C. http://orcid.org/0000-0001-6092-6612
Varga, Z.
Reeve, K.
Moskovszky, L.
Bjelic-Radisic, V.
Tausch, C.
Güth, U.
Article History
Received: 14 February 2019
Accepted: 25 May 2019
First Online: 1 June 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The study was approved by the Cantonal Ethics Committee of Zurich, Switzerland (BASEC-No. 2017-00219), and in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.