Tolg, Boris https://orcid.org/0000-0001-6835-3564
Lorenz, Juergen
Article History
Received: 27 February 2020
Accepted: 21 September 2020
First Online: 9 October 2020
Ethics approval and consent to participate
: The study was confirmed at the 18/09/11 by the ethical committee of the University Duisburg/Essen under the reference number: 18-8370-BO.
: Not applicable
: The authors declare that they have no competing interests.