1. Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, United States
2. Global Neurosurgical Alliance, United States,
3. College of Medicine, The University of Arizona College of Medicine - Tucson, Arizona, Unite States
4. Department of Neurosurgery, University of Arizona, Tucson, Arizona, Unite States,
5. Department of Neurosurgery, The University of Jordan School of Medicine, Amman, Jordan,
6. Department of Medicine, Aga Khan University, Karachi, Pakistan,
7. Department of Neurosurgery, University of Kufa College of Medicine, Kufa, Iraq,
8. Department of Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom,
9. Departmenty of College of Medicine, The University of Arizona College of Medicine, Phoenix, Arizona, United States.