1. Department of Palliative Care, University Hospital Muenster, Muenster, Germany.
2. West German Cancer Center Consortium, Network Partner Muenster, University Hospital Muenster, Muenster, Germany.
3. Specialized Outpatient Palliative Care Service Muenster, Palliativnetz Muenster gGmbH, Muenster, Germany.
4. Office for eHealth, University Hospital Muenster, Muenster, Germany.
5. Institute of Biostatistics and Clinical Research, University of Muenster, Muenster, Germany.
6. Institute of Medical Informatics, University of Muenster, Muenster, Germany.