?:authorAffiliation
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[\'Institute of Clinical Medicine, University of Oslo, 0450 Oslo, Norway.\', \'Health Services Research Unit, Akershus University Hospital, 1478 Lørenskog, Norway.\', \'Department of Pulmonary Medicine, Division of Medicine, Akershus University Hospital, 1478 Lørenskog, Norway.\', \'Department of Medicine, Østfold Hospital Trust, 1714 Grålum, Norway.\', \'Department of Research, Østfold Hospital Trust, 1714 Grålum, Norway.\', \'Fürst Medical Laboratory, 1051 Oslo, Norway.\']
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