Schwaiger, Philipp
Schöchl, Herbert
Oberladstätter, Daniel
Trimmel, Helmut
Voelckel, Wolfgang G.
Article History
Received: 26 June 2019
Accepted: 9 August 2019
First Online: 28 August 2019
Ethics approval
: The ethical committee of the state of Salzburg declared the study unproblematic and granted permission (415-E/2318/4–2018).
: Not applicable.
: The authors declare that they have no competing interests.