1. Division of Neurology; Department of Internal Medicine; Chulalongkorn University; Bangkok Thailand
2. MoCA Clinic and Institute; Greenfield Park Quebec Canada
3. Prince Mahidol Award Youth Program; Prince Mahidol Award Foundation; Bangkok Thailand
4. Department of Neurology; Health Science Center; Texas Tech University; Lubbock Texas
5. Dementia Clinic; Department of Psychiatry; Faculty of Medicine; Chulalongkorn University; Bangkok Thailand
6. Thai Red Cross Health Station 2; Relief and Community Health Bureau; Thai Red Cross Society; Bangkok Thailand