About the Authors

Maria Vollsæter

maria.vollsaeter@helse-bergen.no

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Pediatrics, Haukeland University Hospital, Bergen, Norway

Kaia Skromme

Affiliation Department of Clinical Science, University of Bergen, Bergen, Norway

Emma Satrell

Affiliation Department of Clinical Science, University of Bergen, Bergen, Norway

Hege Clemm

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Pediatrics, Haukeland University Hospital, Bergen, Norway

Ola Røksund

Affiliations Department of Pediatrics, Haukeland University Hospital, Bergen, Norway, Department of Occupational Therapy, Physiotherapy and Radiography, Bergen University College, Bergen, Norway

Knut Øymar

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Pediatrics, Stavanger University Hospital, Stavanger, Norway

Trond Markestad

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Pediatrics, Haukeland University Hospital, Bergen, Norway

Thomas Halvorsen

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Pediatrics, Haukeland University Hospital, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MV HC OR KØ TM TH. Performed the experiments: MV HC OR KØ TM TH. Analyzed the data: MV TM TH. Contributed reagents/materials/analysis tools: KS ES. Wrote the paper: MV TM TH.