1 Department of Neurosurgery, Hôpital privé Clairval - Ramsay Santé, 317 Bd du Redon, 13009 Marseille, France. Electronic address: Charles.ChampeauxDepond@gmail.com.
2 Department of Neurosurgery, Hôpital privé Clairval - Ramsay Santé, 317 Bd du Redon, 13009 Marseille, France.