Received: 15 April 2021
Accepted: 9 July 2021
First Online: 28 July 2021
: The study was approved by the Ethics Committee of Istanbul Faculty of Medicine, Istanbul University. A neurologist took the necessary clinical information after obtaining informed written consent from the patients and their participating family members. Consent was provided by the legally authorized representative for subjects unable to consent.
: Details relating to individuals are entirely unidentifiable.
: The authors declare that they have no competing interests.