1. Department of Epidemiology and Biostatistics, Hanoi University of Public Health, Hanoi, Vietnam.
2. JW LEE Center for Global Medicine of Seoul National University College of Medicine, Seoul, Korea.
3. Department of Health Education and Promotion, Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam.
4. Department of Biostatistics and Medical Informatics, Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam.
5. Department of Neurology, Hanoi Medical University, Hanoi, Vietnam.