Segagni Lusignani, Luigi
Presterl, Elisabeth http://orcid.org/0000-0003-4395-7403
Zatorska, Beata
Van den Nest, Miriam
Diab-Elschahawi, Magda
Article History
Received: 2 August 2019
Accepted: 20 December 2019
First Online: 17 January 2020
Ethics approval
: A study protocol was approved by the Ethics Committee of Medical University of Vienna (Ethics Committee No.: 1592/2016).
: Not applicable.
: The authors declare that they have no competing interests.