Chen, Chu http://orcid.org/0000-0001-6350-3797
Sellberg, Fanny
Ahlqvist, Viktor H.
Neovius, Martin
Christiansen, Filip
Berglind, Daniel
Funding for this research was provided by:
Lindhés Advokatbyrå (Not applicable)
Södermalm municipality (Not applicable)
Article History
Received: 23 April 2020
Accepted: 22 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: The study was approved by the Stockholm Ethical Review Board (Dnr: 2018/890–31/2) and written informed consent was obtained from participating children’s parents and preschool teachers.
: Not applicable.
: The authors declare that they have no competing interests.