[1
]Department of Paediatrics, Oslo University Hospital, Oslo, Norway2Department of Paediatrics,
Lillehammer County Hospital, Lillehammer, Norway
[2
]Institute of Clinical Medicine, Medical Faculty, University of Oslo, Oslo, Norway4Department
of Anesthesiology and Critical Care, Oslo University Hospital, Oslo, Norway
[3
]Institute of Clinical Medicine, Medical Faculty, University of Oslo, Oslo, Norway5Institute
of Nursing Sciences, Oslo and Akershus University College of Applied Sciences, Oslo,
Norway
[4
]Department of Pharmacology, Oslo University Hospital, Oslo, Norway
[5
]Section of Specialized Endocrinology, Department of Endocrinology, Oslo University
Hospital Rikshospitalet, Oslo, Norway
[6
]Department of Microbiology, Oslo University Hospital, Oslo, Norway
[7
]Department of Pediatrics, the Johns Hopkins University School of Medicine, Baltimore,
Maryland
[8
]Department of Pediatrics, Medical University of South Carolina, Charleston
[9
]School of Pharmacy, University of Oslo, Oslo, Norway12Norwegian Institute of Public
Health, Oslo, Norway
[10
]Department of Psychology, University of Oslo, Oslo, Norway14Innlandet Hospital Trust,
Lillehammer, Norway
[11
]Department of Paediatrics, Oslo University Hospital, Oslo, Norway15Division of Medicine
and Laboratory Sciences, Medical Faculty, University of Oslo, Oslo, Norway16Department
of Paediatrics, Akershus University Hospital, Nordbyhagen, Norway