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 SocietyBangkok, Thailand
Division of Neurology, Department of Medicine, Faculty of Medicine,
Chulalongkorn UniversityBangkok, Thailand
The Academy of Science, The Royal Society of ThailandBangkok, Thailand