1. Medical School Claude‐Bernard University of Lyon Lyon France
2. IRR Flavigny UGECAM Nord‐Est Nancy France
3. Pediatric Neurosurgery Department Centre Hospitalier Regional Universitaire (CHRU) de Nancy Nancy France
4. Department of Neurosurgery General Hospital of Athens “G. Gennimatas” Athens Greece
5. Medical School University of Athens Athens Greece
6. Department of Neurosurgery “Evangelismos” Hospital, University of Athens Athens Greece
7. Department of Pediatrics, Outpatient Clinic of Cerebral Palsy General University Hospital of Athens “Attikon” Athens Greece