CIBB	Centre for Innovative Biomedicine and Biotechnology
DOAJ	Directory of open access journals
EOL	End-of-Life
FAMCARE	Family Caregiver Satisfaction with Palliative Care
IndexRMP	Índex de Revistas Médicas Portuguesas
M	Mean
MDPI	Multidisciplinary Digital Publishing Institute
PC	Palliative Care
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-analyses
RCAAP	Repositórios Científicos de Acesso Aberto de Portugal
RCTs	Randomized Controlled Trials
RoBANS	Risk of Bias Assessment Tool for Non-Randomized Studies
SD	Standard Deviation
SUCEH21	Users’ Satisfaction with Nursing Care instrument