Knafl, Daniela
Winnicki, Wolfgang
Mazal, Peter
Wagner, Ludwig
Article History
Received: 23 April 2019
Accepted: 4 July 2019
First Online: 9 July 2019
Ethics approval and consent to participate
: The Ethics Committee of the Medical University of Vienna approved the protocol (1043/2016), including the informed consent procedures which are as follows: Oral and written informed consent was obtained from all patients participating in this study.
: Not applicable.
: The authors declare that they have no competing interests.