1. Department of Clinical Science University of Bergen Bergen Norway
2. Department of Paediatrics and Adolescence Medicine Haukeland University Hospital Bergen Norway
3. Department of Pharmacy University of Oslo Oslo Norway
4. Department of Drug Statistics Norwegian Institute of Public Health Oslo Norway
5. Faculty of Health and Social Sciences Western Norway University of Applied Sciences Bergen Norway
6. Department of Paediatrics and Adolescence Medicine Ålesund hospital Ålesund Norway
7. Clinical Research Unit Norwegian University of Science and Technology Trondheim Norway
8. Department of Quality and Development Hospital Pharmacies Enterprises in Western Norway Bergen Norway
9. Department of Clinical Medicine University of Oslo Oslo Norway
10. Department of Research and Development Haukeland University Hospital Bergen Norway