1. Department of Radiology, Stroke Unit, Institute of Neurology and Neurosurgery
2. Interventional Neuroradiology Unit, Stroke Unit, Institute of Neurology and Neurosurgery
3. Department of Neurology, Stroke Unit, Institute of Neurology and Neurosurgery
4. Department of Neurosurgery, Center for Medical-Surgical Investigations (CIMEQ), Medical University of Havana; Havana, Cuba
5. Department of Anesthesia, Center for Medical-Surgical Investigations (CIMEQ), Medical University of Havana; Havana, Cuba