[1] Univ Kent, Tizard Ctr, Canterbury, Kent, England
[2] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehab, London, England
[3] Univ Lausanne, Dept Palliat Med, Lausanne, Switzerland
[4] Uniklinikum Koln, Cologne, Germany
[5] Fdn FARO, Turin, Italy
[6] Univ Amsterdam, Med Ctr, Amsterdam, Netherlands