1. Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena, Colombia
2. Faculty of Medicine, El Bosque University, Bogota, Colombia
3. Department of Neurosurgery, Narayana Medical College, Nellore, Andhra Pradesh, India
4. Neurosurgeon-Critical Care, Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena de Indias, Bolivar, Colombia
5. Neurology Service, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain