1. Department of Neurology, Ahvaz University of Medical Sciences, Ahvaz, Khuzestan, Iran.
2. Comprehensive Stroke Center, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
3. Division of Neurological Surgery, University of Alabama at Birmingham, AL, USA.
4. Department of Neurological Surgery, University of Washington, Seattle, WA, USA.
5. Dresden University Stroke Center, University of Technology Dresden, Dresden, Germany.
6. Research Center for Thalassemia and Hemoglobinopathy Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Khuzestan, Iran.
7. Department of Neurology, Mashhad University of Medical Sciences, Mashhad, Iran.
8. Division of Neurological Surgery, The Children's Hospital of Alabama, AL, USA.
9. Department of Neurology, The University of Tennessee Health Science Center, Memphis, TN, USA.