Correction to: Orphanet Journal of Rare Diseases (2021) 16:433

https://doi.org/10.1186/s13023-021-02040-8

Following publication of the original article [1], we have been notified that we should add one more author to the authors’ group:

Jafar Kafaie 8

8 Department of Neurology, Saint Louis University School of Medicine, St. Louis, USA

The original article was updated.