About the Authors

Karl Mårild

Affiliation Norwegian Institute of Public Health, Oslo, Norway

German Tapia

Affiliation Norwegian Institute of Public Health, Oslo, Norway

Margareta Haugen

Affiliation Norwegian Institute of Public Health, Oslo, Norway

Sandra R. Dahl

Affiliation Aker Hormone Laboratory, Oslo University Hospital, Oslo, Norway

Arieh S. Cohen

Affiliation Danish Center for newborn screening, Statens Serum Institut, Copenhagen, Denmark

Marika Lundqvist

Affiliation Danish Center for newborn screening, Statens Serum Institut, Copenhagen, Denmark

Benedicte A. Lie

Affiliation Department of Medical Genetics, University of Oslo and Oslo University Hospital, Oslo, Norway

Lars C. Stene

Affiliation Norwegian Institute of Public Health, Oslo, Norway

Ketil Størdal

ketil.stordal@fhi.no

Affiliations Norwegian Institute of Public Health, Oslo, Norway, Department of Pediatrics, Østfold Hospital Trust, Grålum, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: KS LCS. Data curation: KS LCS KM GT MH. Formal analysis: KS LCS KM GT. Funding acquisition: KS LCS. Investigation: SRD ASC ML BAL KS LCS. Methodology: KS LCS. Project administration: KS LCS. Resources: SRD ASC ML BAL KS LCS. Software: KS LCS GT. Supervision: KS LCS. Validation: KS LCS KM. Visualization: KS GT LCS. Writing – original draft: KS. Writing – review & editing: KM GT MH SRD ASC ML BAL LCS KS.