1. Neurosurgery Department, Johns Hopkins, Baltimore, MD, USA
2. Research Department, Association of Future African Neurosurgeons, Yaounde, Cameroon
3. College of Medicine, University of Ibadan, Ibadan, Nigeria
4. Faculty of Medicine, Universite Technologique Bel Campus, Kinshasa, Democratic Republic of Congo
5. Faculty of Medicine, Zagazig University, Egypt
6. School of Pharmacy and Biomedical Science, University of Portsmouth , Portsmouth, UK