1. Copenhagen Trial Unit, Department 7812, Rigshospitalet, Centre for Clinical Intervention Research Rigshospitalet, Copenhagen University Hospital Copenhagen Denmark
2. Paediatric Department Holbæk Hospital Holbæk Denmark
3. The Cochrane Hepato-Biliary Group, Department 7812, Rigshospitalet Copenhagen Trial Unit, Centre for Clinical Intervention Research, Copenhagen University Hospital Copenhagen Denmark
4. Department of Cardiology Holbæk Hospital Holbæk Denmark