Funding for this research was provided by:
Landesamt für Verbraucherschutz (LAV) des Landes Sachsen-Anhalt
Article History
Received: 11 March 2021
Revised: 18 May 2021
Accepted: 22 May 2021
First Online: 18 June 2021
Declarations
:
: The authors declare no conflict of interest.
: This article does not contain any studies with human or animal subjects.