Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Ku612/18-1)
Bulgarian National Science Fund (KP-06-H38/2, KP06-H68/7)
Article History
Received: 14 February 2024
Accepted: 10 March 2024
First Online: 19 March 2024
Code Availability Statement
: The manuscript has no associated code/software. [Author’s comment: No further associated software or code was generated or analysed during this study.]