The Criss‐Cross Gait Is Not Child's Play

Ethical Compliance Statement: The authors confirm that the approval of an institutional review board was not required for this work. The informed consent was obtained from the patient's parents. We confirm that we have read the Journal's position on issues involved in ethical publication and affirm that this work is consistent with those guidelines. Funding Sources and Conflicts of Interest: No specific funding was received for this work. The authors declare that there are no conflicts of interest relevant to this work. Financial Disclosures for the Previous 12 Months: The authors declare that there are no additional disclosures to report. The data that support the findings of this study are available from the corresponding author upon reasonable request. TABLE S1. Clinical, genetic, and metabolic features of individuals with Glut1 deficiency who exhibit a specific criss-cross gait pattern. ID: intellectual disability, PED: paroxysmal exercise-induced dyskinesia, PKD: paroxysmal kinesigenic dyskinesia, PNKD: paroxysmal non kinesigenic dyskinesia, PMD: paroxysmal movement disorder, NA: not available. Data S1. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.