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Erratum to: Pediatr Radiol
DOI 10.1007/s00247-013-2694-1
The original article, unfortunately, contained an error.
The formula for the tortuosity index is missing the “−1”. The correct formula is:
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The online version of the original article can be found at http://dx.doi.org/10.1007/s00247-013-2694-1.
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Ji, J., Shimony, J., Gao, F. et al. Erratum to: Optic nerve tortuosity in children with neurofibromatosis type 1. Pediatr Radiol 43, 1418 (2013). https://doi.org/10.1007/s00247-013-2734-x
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DOI: https://doi.org/10.1007/s00247-013-2734-x