Metz, Friederike http://orcid.org/0000-0002-4745-7329
Bukov, Marin http://orcid.org/0000-0002-3688-9599
Funding for this research was provided by:
Bulgarian National Science Fund (KP-06-DV-5)
Article History
Received: 15 February 2022
Accepted: 9 June 2023
First Online: 21 July 2023
Competing interests
: The authors declare no competing interests.