Phase 1 - Patients enrollment (October 2018 - May 2019) Each Investigator will have to record data concerning 70 patients. In particular 40 patients outliers (max 10 per month) and 30 patients control (max 6 per month). It will be collected clinical and organisational information. The Investigators of the wards that will not have patients outliers will have to enroll 70 patients control (max 15 per month).~Phase 2 - Database review and validation (June 2019 - October 2019) The data collected will be analysed to process the endpoints.
Each Investigator will have to record data concerning 70 patients. In particular 40 patients outliers and 30 patients control.