[1] Univ Med Ctr Rotterdam, Erasmus MC, Dept Publ Hlth, Dr Molewaterpl 40, NL-3015GD Rotterdam, Netherlands
[2] Delft Univ Technol, Fac Ind Design Engn, Dept Design Org & Strategy, Delft, Netherlands
[3] UMC Utrecht, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands
[4] Vrije Univ Brussel, End Life Care Res Grp, Brussels, Belgium
[5] Univ Ghent, Brussels, Belgium
[6] Zealand Univ Hosp, Dept Clin Oncol & Palliat Care, Roskilde, Denmark
[7] Univ Bologna, Dept Med & Surg Sci DIMEC, Bologna, Italy
[8] Univ Clin Resp & Allerg Dis Golnik, Golnik, Slovenia
[9] Univ Lancaster, Div Hlth Res, Int Observ End Life Care, Lancaster, England
[10] Univ Sheffield, Hlth Sci Sch, Sheffield, England