1 Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
2 Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3 Division of Stroke and Endovascular Neurosurgery, Department of Neurological Surgery, Keck School of Medicine, CA, USA.