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. 2021 Dec 6;36(3):846–856. doi: 10.1007/s12028-021-01386-y

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Fig. 2 — Sankey diagram showing regrouping of questions according to hierarchical clustering. On the left, questions are grouped according to what was decided to be clinically relevant. On the right, the questions are regrouped, and the shifting of questions is visualized, with a thicker gray line indicating a larger number of questions. ICP, intracranial pressure