1. Department of Palliative Care; University Hospital of Bordeaux; France
2. CCECQA Coordination and Clinical Evaluation of Quality in Aquitaine; Bordeaux France
3. Centre of Evaluation and Treatment of the Pain; University Hospital of Bordeaux; France
4. Department of Anaesthesia and Resuscitation; University Hospital of Bordeaux; France
5. Department of Geriatrics; University Hospital of Bordeaux; France