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. 2021 Feb 6;8(3):548–557. doi: 10.1002/acn3.51276

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© 2021 The Authors. Annals of Clinical and Translational Neurology published by Wiley Periodicals LLC on behalf of American Neurological Association

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Individual details on ventilator status from baseline to 24 months. ○: Spontaneous breathing or NIV <16 h; •: NIV ≥16 h or tracheostomy; →: transferred; +:deceased; : nusinersen discontinuation; *: enrollment in a clinical trial.