Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (TRR 63 (subproject B1) - 56091768)
Otto-von-Guericke-Universität Magdeburg
Article History
Received: 5 June 2020
Revised: 30 July 2020
Accepted: 14 August 2020
First Online: 1 September 2020