[1] Univ Warwick, Coventry, W Midlands, England
[2] Univ Birmingham, Sch Educ, Birmingham, W Midlands, England
[3] Zealand Univ Hosp, Roskilde, Denmark
[4] Univ Southern Denmark, Odense, Denmark
[5] Univ Southern Denmark, Dept Psychol, Med Psychol, Odense, Denmark
[6] Bispebjerg Hosp, Dept Palliat Med, Copenhagen, Denmark
[7] Bispebjerg Hosp, Dept Palliat Med, Res Unit, Copenhagen, Denmark
[8] Patient & Publ PPI Representat, Copenhagen, Denmark
[9] Univ Copenhagen, Dept Publ Hlth, Palliat Care & Qual Life Measurement, Copenhagen, Denmark