1. Department of Basic and Clinical Sciences, Neuroscience and Neurosurgery, South Colombian University and University Hospital, Neiva, Colombia, USA
2. Neurotrauma Research Group, MEDITECH Foundation, Neiva, Colombia, USA
3. Department of Surgery, University of Pittsburgh, Pittsburgh (PA), USA
4. Department of Medical Informatics and Clinical Epidemiology, Oregon Health Sciences University, Portland (OR), USA
5. Department of Neurosurgery, Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix (AZ), USA