1. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah 22384, Saudi Arabia
2. King Abdullah International Medical Research Center (KAIMRC), Jeddah 22384, Saudi Arabia
3. Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
4. Texas A&M School of Medicine, Texas A&M University, Houston, TX 77030, USA
5. Department of Neurological Surgery, University of California, Davis, Sacramento, CA 95819, USA
6. Tehran School of Medicine, Tehran University of Medical Science, Tehran 1416634793, Iran
7. Department of Neurological Surgery, Pauline Braathen Neurological Centre, Cleveland Clinic Florida, Weston, FL 33331, USA
8. Department of Neurosurgery, The University of Oklahoma, Oklahoma City, OK 73019, USA
9. Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA
10. Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
11. Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
12. Department of Neurosurgery, Loma Linda University, Loma Linda, CA 92354, USA