In the published article, there was an error regarding the affiliations for Ayyad Zartasht Khan. As well as having affiliations “Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway, Department of Surgery, Sørlandet Hospital Arendal, Arendal, Norway, Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway,” he should also have the following affiliation: “Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.”
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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