PGAC	Preparatory Grief in Advanced Cancer Patients
G-HADS	Greek Hospital Anxiety and Depression Scale
G-SAHD	Greek Schedule for Attitudes toward Hastened Death
GDI	Grief Diagnostic Instrument
HADS	Hospital Anxiety and Depression Scale
HADS-D	Hospital Anxiety and Depression Scale—Depression Subscale
IES-R-Gr	Impact Events Scale Revised (Greek)
PDI	Patient Dignity Inventory
PG	Prolonged Grief Disorder Scale
DOAJ	Directory of open access journals
PO-Bado	Psychological-Oncological Base Documentation
QoL	Quality of Life