1. Palliative Care Team, Department of Psychosomatic Medicine and Psychotherapy, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.
2. Department of Anaesthesiology, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.
3. Service de Soins Palliatifs, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, Lausanne, Switzerland.