1. Neurology Clinic, Clinical Center of Serbia, School of Medicine University of Belgrade Belgrade Serbia
2. Department of Neurology Medical University of Innsbruck Innsbruck Austria
3. Department of Neurology for Neurodegenerative Diseases, French Reference Center for MSA University Hospital Bordeaux Bordeaux France
4. Institute of Neurodegenerative Diseases, University Bordeaux, CNRS, UMR 5293 Bordeaux France
5. Department of Medicine University of Otago Christchurch New Zealand
6. New Zealand Brain Research Institute Christchurch New Zealand
7. Department of Neurology, Dysautonomia Center, Langone Medical Center New York University School of Medicine New York New York USA
8. UCL Institute of Neurology London United Kingdom
9. Department of Uro‐Neurology The National Hospital for Neurology and Neurosurgery London United Kingdom