1. Department of Palliative Medicine, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
2. Department of Palliative Medicine, University Hospital Bonn, Bonn, Germany
3. Centre for Entrepreneurship, Innovation and SMEs, Bonn-Rhein-Sieg University of Applied Sciences, Sankt Augustin, Germany
4. Department of Psychosomatic Medicine and Psychotherapy, University Hospital Bonn, Bonn, Germany
5. Institute for Digitalization and General Practice, University Hospital RWTH Aachen, Aachen, Germany
6. Department of Palliative Medicine, University Medical Center Göttingen, Göttingen, Germany