1. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
2. Department of Neurology, Albert Einstein College of Medicine , New York, New York , USA
3. Department of Medicine, Albert Einstein College of Medicine , New York, New York , USA
4. Falls, Balance and Injury Research Centre, Neuroscience Research Australia , Randwick, New South Wales , Australia
5. School of Population Health, University of New South Wales , Sydney, New South Wales , Australia
6. Centre for Healthy Brain Ageing (CHeBA), University of New South Wales , Sydney, New South Wales , Australia
7. Neuropsychiatric Institute, The Prince of Wales Hospital , Sydney, New South Wales , Australia
8. Department of Psychological Medicine, National University of Singapore , Singapore , Singapore
9. Department of Geriatric Medicine, Ng Teng Fong Hospital , Singapore , Singapore
10. Department of Neuropsychiatry, Seoul National University, Bundang Hospital , Seongnam , South Korea
11. Department of Psychiatry, Seoul National University College of Medicine , Seoul , South Korea
12. Department of Brain and Cognitive Sciences, Seoul National University College of Natural Sciences , Seoul , South Korea
13. Department of Psychiatry, SMG-SNU Boramae Medical Center , Seoul , South Korea
14. Center for Liberal Arts, Fukuoka Institute of Technology , Fukuoka , Japan
15. Sports and Health Research Center, Department of Physical Education, Tongji University , Shanghai , China
16. Department of Health Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University , Hiroshima , Japan
17. Department of Medicine, North Tyneside General Hospital , North Shields , UK
18. Translational and Clinical Research Institute; Newcastle University , Newcastle upon Tyne , UK
19. Department of Psychiatry, University of Ibadan , Ibadan , Nigeria