Nowak, Nicole
Diouf, Friederike
Golsong, Nadine
Höpfner, Tobias
Lindtner, Oliver
Funding for this research was provided by:
Bundesinstitut für Risikobewertung (BfR)
Article History
Received: 11 November 2021
Accepted: 7 April 2022
First Online: 14 July 2022
Declarations
:
: The study received a positive vote from the ethics committee of the Berlin Chamber of Physicians (Ärztekammer Berlin, Eth-28/13). Participants ranged in age from six month to five years, so all parents or legal guardian provided written informed consent prior the start of the survey. The authors confirm that study design and methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.