About the Authors

Marieke De Craemer

marieke.decraemer@ugent.be

Affiliation Ghent University, Ghent, Belgium

Mina Lateva

Affiliation Medical University Varna, Varna, Bulgaria

Violeta Iotova

Affiliation Medical University Varna, Varna, Bulgaria

Ellen De Decker

Affiliation Ghent University, Ghent, Belgium

Maïté Verloigne

Affiliations Ghent University, Ghent, Belgium, Research Foundation Flanders, Brussels, Belgium

Ilse De Bourdeaudhuij

Affiliation Ghent University, Ghent, Belgium

Odysseas Androutsos

Affiliation Harokopio University, Athens, Greece

Piotr Socha

Affiliation Children’s Memorial Health Institute, Warsaw, Poland

Zbigniew Kulaga

Affiliation Children’s Memorial Health Institute, Warsaw, Poland

Luis Moreno

Affiliation University of Zaragoza, Zaragoza, Spain

Berthold Koletzko

Affiliation University of Munich Medical Centre, Munich, Germany

Yannis Manios

Affiliation Harokopio University, Athens, Greece

Greet Cardon

Affiliation Ghent University, Ghent, Belgium

the ToyBox-study group

Membership of the ToyBox-study group is listed in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDC ML EDD IDB GC OA YM. Performed the experiments: MDC ML EDD OA. Analyzed the data: MDC. Contributed reagents/materials/analysis tools: MDC EDD. Wrote the paper: MDC ML VI EDD MV IDB OA PS ZK LM BK YM GC.