1. Memory Aging and Cognition Centre, Department of Pharmacology, National University Health System, Singapore
2. Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Department of and Master's Program in Neurology, Faculty of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
4. Department of Neurology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung City, Taiwan
5. Department of Neurology, Department of Pathology and Immunology, Washington University, St Louis, MO, USA
6. Alzheimer Disease Research Center, Washington University School of Medicine, St Louis, MO, USA
7. Division of Neurology, University Medicine Cluster, National University of Singapore, Singapore