1. Department of Neurology; Hanyang University College of Medicine; Seoul Korea
2. Seongdong-Gu Regional Center for Dementia; Seoul Korea
3. Department of Neurology; National Neuroscience Institute and Duke-NUS Singapore; Singapore
4. Department of Neurology; Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang-Gung University; Taoyuan Taiwan
5. Department of Pharmacology, Faculty of Pharmacy; Mahidol University; Bangkok Thailand
6. Division of Neurology, Department of Medicine; Phramongkutklao Hospital; Bangkok Thailand
7. Eisai Singapore Pte. Ltd.; Singapore