Funding for this research was provided by:
ministry of science and research, north rhine-westphalia
bundesministerium für ernährung und landwirtschaft
Rheinische Friedrich-Wilhelms-Universität Bonn
Article History
Received: 19 July 2021
Accepted: 6 January 2022
First Online: 18 January 2022
Declarations
:
: No competing financial interests exist.
: The DONALD study protocol was approved by the Ethics Committee of the University of Bonn, Germany (approval numbers: 098/06; 185/20).
: All assessments were performed with parental and grown-up children’s consent.