AUTHOR=Most David E. TITLE=Commentary: Vitamin D status and tic disorder: a systematic review and meta-analysis of observational studies JOURNAL=Frontiers in Pediatrics VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2024.1385212 DOI=10.3389/fped.2024.1385212 ISSN=2296-2360