Hochreiter, Josef http://orcid.org/0000-0002-5378-1811
Mattiassich, Georg
Ortmaier, Reinhold
Steinmair, Martin
Anderl, Conrad
Article History
Received: 9 October 2019
Accepted: 15 January 2020
First Online: 22 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The local ethics committee reviewed and approved the study protocol; the institutional review board also approved the study (ethics approval registration number: EK 19/14; issue date: 16 June 2014). Additionally, the study was registered with the German Clinical Trials Register (clinical trial registration number: DRKS00017076). We conducted the study in accordance with the study protocol, the latest Helsinki Declaration, and good clinical practice guidelines.
: Informed consent was obtained from all individual participants included in the study.