[1] Univ Copenhagen, Bispebjerg Hosp, Dept Palliat Med, Res Unit, Copenhagen, Denmark
[2] Netherlands Canc Inst, Amsterdam, Netherlands
[3] Complejo Hosp Navarra, Dept Oncol, Pamplona, Spain
[4] Natl Taiwan Univ, Coll Publ Hlth, Inst Epidemiol & Prevent Med, Taipei 10764, Taiwan
[5] Natl Taiwan Univ, Coll Publ Hlth, Dept Publ Hlth, Taipei 10764, Taiwan
[6] Inst Cancerol Lorraine, Dept Med Oncol, Vandoeuvre Les Nancy, France
[7] Dept Oncol Sci, Psychoncol Unit, Rome, Italy
[8] Med Univ Innsbruck, Dept Nucl Med, A-6020 Innsbruck, Austria
[9] Med Univ Innsbruck, A-6020 Innsbruck, Austria
[10] Med Ctr Haaglanden, Dept Neurol, The Hague, Netherlands
[11] Gothenburg Univ, Sahlgrenska Univ Hosp, Dept Otolaryngol Head & Neck Surg, Gothenburg, Sweden
[12] Oslo Univ Hosp, Dept Oncol, Reg Ctr Excellence Palliat Care, Oslo, Norway
[13] Univ Southampton, Surg Unit, Southampton, Hants, England
[14] Univ Trondheim Hosp, Palliat Med Unit, Trondheim, Norway
[15] Norwegian Univ Sci & Technol NTNU, Fac Med, European Palliat Care Res Ctr, Trondheim, Norway
[16] Johannes Gutenberg Univ Mainz, Univ Med Ctr, IMBEI, D-55122 Mainz, Germany
[17] Vrije Univ Amsterdam, Med Ctr, Dept Neurol, Amsterdam, Netherlands
[18] Jagiellonian Univ, Coll Med, Dept Anat, Krakow, Poland
[19] Univ Leeds, Leeds Inst Canc Studies & Pathol, Leeds, W Yorkshire, England
[20] Vrije Univ Amsterdam, Clin Psychol, Amsterdam, Netherlands
[21] Mt Vernon Canc Ctr, Lynda Jackson Macmillan Ctr, Northwood, Middx, England