Bejerot, S. ., Hylén, U. ., Glans, M. ., Hesselmark, E. ., & Humble, M. . Joint Hypermobility in Paediatric Acute-Onset Neuropsychiatric Syndrome-A Preliminary Case-Control Study. Frontiers in Psychiatry, 12, 797165. https://doi.org/10.3389/fpsyt.2021.797165 (Original work published 2021)