Funding for this research was provided by:
Bayerisches Staatsministerium für Ernährung, Landwirtschaft und Forsten (NA)
Else Kröner-Fresenius Centre for Nutritional Medicine (NA)
Competence Centre for Nutrition (NA)
Bavarian State Ministry of Health and Care (NA)
AOK Bayern (NA)
DEDIPAC consortium by the Joint Programming Initiative (JPI) “A Healthy Diet for a Healthy Life” (NA)
Received: 20 February 2020
Accepted: 23 June 2020
First Online: 24 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethical committee of the Technical University of Munich (project number 5653/13). Participants provided written informed consent before study participation.
: Not applicable.
: The authors declare that they have no competing interests.