1. Neurosurgical Department Pierre Wertheimer Hospital, Hospices Civils de Lyon, Lyon 1 University Lyon France
2. Pain Center “Pierre Wertheimer” Hospital, Hospices Civils de Lyon Lyon France
3. University of Medicine and Pharmacy “Victor Babes” Timisoara Timisoara Romania
4. Neurosurgical Department Beaujon University Hospital‐APHP Clichy France