1. Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
3. Division of Gastroenterology and Hepatology, Oregon Health and Science University, Portland, OR, USA
4. Pulmonary Rehabilitation Clinic, Top Ichelov, Tel-Aviv, Israel
5. Departments of Neurology, Ophthalmology, Neurosurgery, Otolaryngology – Head and Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
6. Department of Urology, Radboud University Medical Center, Nijmegen, The Netherlands
7. Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
8. Older People’s Unit, Royal United Hospitals Bath NHS Foundation Trust, Bath, UK
9. Groenhuysen, Elderly Care Organisation, Roosendaal, The Netherlands
10. Department of Anesthesiology, Pain and Palliative Care, Radboud University Medical Center, Nijmegen, The Netherlands
11. American Dental Association, , Chicago, Illinois, USA
12. Wisconsin Dental Association, Dane County Dental Society, Cross Plains, Wisconsin, USA
13. Center for Health + Technology, Department of Neurology, University of Rochester Medical Center, Rochester, NY, USA
14. Parkinson’s Foundation Patient Advocate in Research, New York City, New York, USA