1. Department of Neurology, Leiden University Medical Center , Leiden , The Netherlands
2. Department of Psychiatry, University Medical Center Utrecht Brain Center, Utrecht University , Utrecht , The Netherlands
3. Department of Neurology, Haaglanden Medical Center , The Hague , The Netherlands
4. Competence Center for Palliative Care, Department of Radiation Oncology, University Hospital Zurich and University of Zurich , Zurich , Switzerland
5. Department of Psychology, Leeds Institute of Medical Research at St. James’s, St. James’s University Hospital, University of Leeds , Leeds , United Kingdom
6. Department of Psychology, Leeds Institute of Health Sciences, Faculty of Medicine and Health, University of Leeds , Leeds , United Kingdom
7. Department of Neurology and Neurosurgery Henry Ford Health, Department of Neurology Wayne State University and Michigan State University , Detroit, Michigan , The United States of America
8. Department of Neurology, Centre for Clinical Brain Sciences, University of Edinburgh , Edinburgh , United Kingdom