Thorn, Sophie http://orcid.org/0000-0003-4885-0832
Lefering, Rolf
Maegele, Marc
Gruen, Russell L.
Mitra, Biswadev
Article History
Received: 25 October 2018
Accepted: 22 April 2019
First Online: 29 April 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Ethics approval was received from the Ethik-Kommission der Universität Witten/Herdecke (Ethics Committee of the University Witten/Herdecke). The ethics application was number 64–2018.
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.