1. Colombian Clinical Research Group in Neurocritical Care, Latin American Council of Neurocritical Care, Cartagena, Colombia
2. Global Neurosurgery Committee, World Federation of Neurosurgical Societies, Cartagena, Colombia
3. Medical and Surgical Research Center, Future Surgeons Chapter, Colombian Surgery Association, Bogotá, Colombia
4. Universidad Centroccidental Lisandro Alvarado - Hospital Central Antonio María Pineda, Barquisimeto, Venezuela
5. School of Medicine, Fundación Universitaria Juan N. Corpas, Bogotá, Colombia