Funding for this research was provided by:
German Ministry of Education and Research (BMBF) and the State of Brandenburg (82DZD00302)
Deutsches Institut für Ernährungsforschung Potsdam-Rehbrücke (DIfE)
Received: 4 February 2021
Accepted: 3 May 2021
First Online: 27 June 2021
: The study was conducted according to the Declaration of Helsinki and approved by the Ethical Committee of the State of Brandenburg, Germany (S9/2002). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.