Affiliations

• ¹ Department of Pediatric Research, Oslo University Hospital, Sognsvannsveien 20, 0372 Oslo, Norway; Department of Newborn Screening, Oslo University Hospital, Forskningsveien 2B, 0373 Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway. Electronic address: andzie@ous-hf.no.
• ² Department of Newborn Screening, Oslo University Hospital, Forskningsveien 2B, 0373 Oslo, Norway.
• ³ Department of Pediatric Research, Oslo University Hospital, Sognsvannsveien 20, 0372 Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway. Electronic address: runar.almaas@ous-hf.no.