About the Authors

Willem G. van Ginkel

Contributed equally to this work with: Willem G. van Ginkel, Danique van Vliet

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Metabolic Diseases, Beatrix Children’s Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Danique van Vliet

Contributed equally to this work with: Willem G. van Ginkel, Danique van Vliet

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Metabolic Diseases, Beatrix Children’s Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Johannes G. M. Burgerhof

Roles Formal analysis, Methodology, Resources, Writing – review & editing

Affiliation Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen The Netherlands

Pim de Blaauw

Roles Resources, Writing – review & editing

Affiliation Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

M. Estela Rubio Gozalbo

Roles Resources, Writing – review & editing

Affiliation Department of Pediatrics and Laboratory Genetic Metabolic Diseases, Maastricht University Medical Center, Maastricht, The Netherlands

M. Rebecca Heiner-Fokkema

Roles Data curation, Resources, Supervision, Validation, Writing – review & editing

Affiliation Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Francjan J. van Spronsen

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

f.j.van.spronsen@umcg.nl

Affiliation Department of Metabolic Diseases, Beatrix Children’s Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: Prof. dr. F.J. van Spronsen has received research grants, advisory board fees, and speaker’s honoraria from Merck Serono, Biomarin and Nutricia Research, has received grants of Sobi, has received speaker’s honoraria from Vitaflo, and has received advisory board fees from Arla Foods, and Applied Pharma Research. Ms. D. van Vliet has received speaker’s honoraria from Biomarin. All other authors have declared not to have conflicts of interest. I hereby confirm that this does not alter our adherence to PLOS ONE policies on sharing data and materials.