1. Department of Medicine; Spital Uster; Uster Switzerland
2. Department of Psychiatry; Brigham and Women’s Hospital; Boston USA
3. Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research; University Hospital Basel and University of Basel; Basel Switzerland
4. Department for Infectious Disease Epidemiology; Robert Koch Institute; Berlin Germany
5. Palliative Medicine Division, Department of Rehabilitation and Geriatrics; Geneva University Hospitals; Geneva Switzerland
6. Department of Psychosocial Oncology and Palliative Care; Dana-Farber Cancer Institute; Boston USA
7. Harvard Medical School; Boston USA
8. Institute of Medical Biometry and Statistics; Faculty of Medicine and Medical Center, University of Freiburg; Freiburg Germany
9. Department of Clinical Research; University Hospital Basel and University of Basel; Basel Switzerland
10. Palliative Care Center Basel; Basel Switzerland