Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (NI 1591/1-1)
Received: 8 June 2020
Accepted: 8 September 2020
First Online: 1 October 2020
Change Date: 21 November 2020
Change Type: Update
Change Details: In the original publication, the Funding section statement was incomplete and the statement "Open Access funding enabled and organized by Projekt DEAL" was missing. The article has been updated and the Funding section has been corrected.
Ethics approval and consent to participate
: The study was approved by the ethics committee of the Medical Faculty Mannheim, Ruprecht-Karls-University Heidelberg (protocol no. 2013-654 N-MA).
: Not applicable.
: The authors declare that they have no competing interests.