1. Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
2. Department of Orthopaedics, Region Jönköping County, Ryhov County Hospital, Jönköping, Sweden
3. Futurum—Academy of Health and Care, Department of Paediatrics, Region Jönköping County, Jönköping, Sweden
4. Department of Paediatrics, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
5. Department of Clinical Sciences, Lund University, Lund, Sweden