1. Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA.
2. Department of Neurosciences, Grand Hôpital de Charleroi, Charleroi, Belgium.
3. Department of Neurosurgery, Muhimbili Orthopedic Institute, Dar Es Salaam, Tanzania.
4. Pediatric Orthopedic Surgery, Palestine Polytechnic University, Ramallah, Palestine.
5. Regional Spinal Department, UOC Ortopedia A, AOUI, Verona, Italy.