“…The primary relationships were spouse and parent-adult children [ 36 , 38 , 46 , 48 – 53 ]. The average bereaved time varied with the range between 36 hours and four years, but most studies were from six months to 18 months [ 37 – 39 , 43 , 45 , 46 , 50 – 52 ]. Most studies ( n = 16) investigated terminally ill cancer patients [ 36 – 39 , 41 – 43 , 45 – 53 ] who received specialist inpatient palliative care ( n = 10) [ 39 , 42 , 43 , 45 , 46 , 48 – 51 , 53 ].…”