Ethics approval and consent to participate
dementia
Because of the severity of their dementia, written and informed consent was obtained from the family or legal representative of each resident included in the study. The study was approved by the Quebec Integrated Health and Social Services University Network (CIUSSSCN) Ethics review board (Ethics Certificate: SSPL-2016–2017-14). All collected information was kept confidential to preserve the anonymity of participants throughout the study.The authors further confirm that the study was carried out in accordance with all relevant guidelines and regulations.