1. Parkinson's Disease and Movement Disorders Center of Boca Raton Boca Raton Florida USA
2. Integrated Neurology PA, Department of Physical Medicine and Rehabilitation McGovern Medical School, University of Texas Houston Texas USA
3. Chulalongkorn Centre of Excellence for Parkinson's Disease and Related Disorders, Department of Medicine, Faculty of Medicine Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society Bangkok Thailand
4. The Academy of Science The Royal Society of Thailand Bangkok Thailand
5. Department of Neurosurgery and Neurological Sciences Rush University Medical Center Chicago Illinois USA
6. Global Neuroscience Institute Pennington New Jersey USA
7. Department of Neurology Drexel College of Medicine Philadelphia Pennsylvania USA
8. Department of Neurology, Mount Sinai Medical Center Mount Sinai Beth Israel Morningside, Sinai West, The Mount Sinai Hospital New York City New York USA
9. Parkinson and Movement Disorder Alliance Tucson Arizona USA
10. Parkinson's Disease and Movement Disorders Center of Long Island Commack New York USA
11. Department of Neurology Sidney Kimmel Medical College at Jefferson University Philadelphia Pennsylvania USA
12. Brain and Mind Center, School of Medical Sciences University of Sydney Sydney New South Wales Australia
13. Department of Neurology Medical University of Innsbruck Innsbruck Austria
14. Parkinson's Disease Research Program University of Barcelona Barcelona Spain
15. PHAR Beverly Hills California USA