1. Department of Paediatrics, Skaraborg Hospital, Skövde, Sweden
2. Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden
3. School of Business, Economics and IT, University West, Trollhättan, Sweden
4. Department of Planning and Development, NU-Hospital Group, Trollhättan, Sweden
5. Department of Paediatrics, NU-Hospital Group, Uddevalla, Sweden