Fidelity of the study
The protocol of this study was documented to guarantee reproducibilityAn application guide, containing instructions on how to administer and score WHOQOL and FIM, was made available to the research assistants. All INs had access to the care protocol developedThe HVs were scheduled with the caregivers by phone according to their availability. To mitigate errors in study data entry, the research assistants independently entered the survey answers into an Excel spreadsheet, with cross-checking for inconsistencies by an IN.