1. Department of Anaesthesia and Intensive Care Angers University Hospital Angers France
2. Department of Anaesthesia Bretagne‐Atlantique Hospital Vannes France
3. Department of Anaesthesia and Pain Medicine Angers Integrated Oncology Centre Angers France
4. Department of Biostatistics Angers Integrated Oncology Centre Angers France
5. Department of Anaesthesia and Intensive Care Tours University Hospital Tours France