ten Velde, Gabrielle https://orcid.org/0000-0001-6389-6762
Plasqui, Guy
Dorenbos, Elke
Winkens, Bjorn
Vreugdenhil, Anita
Article History
Received: 24 August 2020
Accepted: 27 July 2021
First Online: 17 August 2021
Declarations
:
: The current study was conducted according to the Declaration of Helsinki and approved by the medical ethical committee of the azM and Maastricht University (METC azM/UM). Subsequently written informed consent was obtained for all children included in this study via both parents for children aged < 16 years and adolescents themselves if ≥16 years.
: Not applicable.
: The authors declare that they have no competing interests.