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HINE‐2 individual trajectories over 24 months. (A) <210 days (B) <2 years (C) 2–4 years (D) >4 years. Key to figure: Red line: 1.1; Green line: 1.5; Blue line: 1.9. Dashed line: Sitters; Plain line: Nonsitter. Red asterisks: patients who achieved sitting position 24 months from treatment initiation.
