1. Neurosurgery Education and Development Foundation, Valencia, Spain;
2. Neurosurgery Education and Development Institute, Mnazi Mmoja Hospital, Stonetown, Zanzibar, Tanzania;
3. Hospital Universitario de La Paz, Madrid, Spain;
4. Aga Khan University, Nairobi, Kenya;
5. Section of Neurosurgery, Department of Surgery, St. Louis University, St. Louis, Missouri; and
6. Hospital Universitario de la Ribera, Alzira, Valencia, Spain