1. National Center of EpidemiologyCarlos III Institute of Health Madrid Spain
2. Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED)Carlos III Institute of Health Madrid Spain
3. Parkinson Disease and Other Movement Disorders UnitHospital José María Ramos Mejía, Neurology University Center of Buenos Aires University Buenos Aires Argentina
4. Movement Disorders ClinicHospital Militar Central Bogotá Colombia
5. Área de NeurocienciasHospitales Vithas‐Málaga Málaga Spain
6. Movement Disorder ClinicUniversity Hospital Monterrey Nuevo León México
7. Movement Disorders DivisionMiller School of Medicine, University of Miami Miami Florida USA
8. Movement Disorders Unit, Neurology departmentLa Paz University Hospital Madrid Spain
9. Movement Disorders and Neurodegenerative Disorders UnitIRYCIS, Hospital Ramon y Cajal Madrid Spain
10. Movement Disorders ClinicInternational Center for Neurological Restoration (CIREN) Havana Cuba
11. Medicine Faculty, Pontifical Catholic University of EcuadorMovement Disorders Unit, Neurological Service, Carlos Andrade Marín Hospital Quito Ecuador
12. Movement Disorders ClinicNational Institute of Neurology and Neurosurgery Mexico City Mexico