Farr, Alex http://orcid.org/0000-0002-4628-9052
Wachutka, Eva
Bettelheim, Dieter
Windsperger, Karin
Farr, Sebastian
Article History
Received: 19 September 2019
Accepted: 3 January 2020
First Online: 13 January 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Medical University of Vienna (application: 1002/2017), following the rules of the Declaration of Helsinki and principles of Good Clinical Practice. Patient consent was not required due to the study design.
: Not applicable.
: The authors have no conflicts of interest to declare.