[1] Univ Kent, Tizard Ctr, Canterbury, Kent, England
[2] Morriston Hosp, Swansea, W Glam, Wales
[3] Lausanne Univ Hosp, Palliat & Support Care Serv, Lausanne, Switzerland
[4] Univ Lausanne, Lausanne, Switzerland
[5] Antwerp Univ, Dept Neurol, Antwerp, Belgium
[6] LOROS Hosp, Leicester, Leics, England
[7] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehabi, London, England
[8] Paracelsus Med Univ, Inst Nursing Sci & Practice, Salzburg, Austria
[9] Severn Hosp, Shrewsbury, Salop, England
[10] Amsterdam Univ Med Ctr, Dept Neurol, Amsterdam, Netherlands
[11] Gen Hosp AZ Sint Jan, Dept Neurol, Brugge, Belgium
[12] Univ Hosp, Dept Palliat Med, Cologne, Germany
[13] Fdn FARO, Dept Res Palliat Care, Turin, Italy