Erratum to 'Seizures risk factors in sickle cell disease. The cooperative study of sickle cell disease [Seizure: European Journal of Epilepsy 89 (2021) 107-113]'. (October 2021) - Nawaiseh, Mohammed; Shaban, Ala; Abualia, Mohammad; Haddadin, Rund; Nawaiseh, Yara; AlRyalat, Saif Aldeen; Yassin, Ahmed; Sultan, Iyad