Tuecking, Lars-Rene http://orcid.org/0000-0003-3370-7064
Savov, P.
Richter, T.
Windhagen, H.
Ettinger, M.
Article History
Received: 18 November 2019
Accepted: 17 February 2020
First Online: 6 March 2020
Compliance with ethical standards
:
: LT, PS, TR, HW and ME declare that they have no conflict of interest.
: This study was approved by the local ethics committee (Nr. 3299–2016/Nr. 3306–2016).