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, Larbiboisière Hospital, 2 rue Ambroise Paré, 75010 Paris, France.
3 Department of Neurosurgery, Hôpital Privé Clairval - Ramsay Santé, 317 Bd du Redon, 13009 Marseille, France.