[1] Palliat Zentrum Hildegard, Sankt Alban Ring 151, CH-4002 Basel, Switzerland
[2] Rems Murr Klinikum, Sekt Leitung Palliat Med, Klin Hamatol Onkol & Palliat Med, Winnenden, Germany
[3] Uniklin Koln, Klin Innere Med 1, Ctr Integrierte Onkol CIO Koln Bonn, Cologne, Germany
[4] Klinikum Univ Munchen, Med Klin & Poliklin 3, Munich, Germany