Savov, P.
Budde, S.
Tsamassiotis, S.
Windhagen, H.
Klintschar, M.
Ettinger, M.
Funding for this research was provided by:
Waldemar LINK GmbH
Article History
Received: 10 September 2019
First Online: 10 March 2020
Compliance with ethical standards
:
: None of the authors received donations or other services from the company. The publication was done without any influence of the company. Publication rights are the responsibility of the authors.
: This study is approved by the local ethics committee no. 3656-2017.
: No informed consent was necessary.