1. Neuroscience Research Center, Faculty of Medicine, Lebanese University, Beirut, Lebanon
2. Faculty of Medicine, American University of Beirut, Beirut, Lebanon
3. College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, Scotland, UK
4. Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
5. Department of Orthopedics, American University of Beirut Medical Center, Beirut, Lebanon
6. The Rothman Institute, Department of Orthopaedic Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, USA