[1] Our Ladys Hosp & Care Serv, Educ & Res Ctr, All Ireland Inst Hosp & Palliat Care, Harolds Cross, Dub, Ireland
[2] UCD Coll Hlth Sci, UCD Sch Nursing Midwifery & Hlth Syst, Belfield, Dub, Ireland
[3] All Ireland Inst Hosp & Palliat Care, Palliat Care Res Network, Harolds Cross, Dub, Ireland
[4] Trinity Coll Dublin, Sch Med, Dub, Ireland
[5] Univ Coll Dublin, UCD Sch Psychol, Newman Bldg, Belfield 4, Dub, Ireland