Funding for this research was provided by:
Karolinska Institutet (2013fobi38282, 2014fobi41753, 2016fobi50455)
Knut och Alice Wallenbergs Stiftelse (KAW2015.0096)
Received: 9 January 2019
Accepted: 31 July 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: The GEWAC study protocol (Fig. InternalRef removed) was approved by the Regional Ethics Committee of Karolinska Institutet, Stockholm (Dnr 2008/378–31/4 and 2014/399–31/3), and written informed consent was obtained from parents and/or legal guardians.
: Written informed consent for the GEWAC study (Fig. InternalRef removed) was obtained from parents and/or legal guardians.
: The authors declare that they have no competing interests.