1. Department of Epidemiology, Institute for Preventive Medicine and Public Health (IPMPH), Hanoi Medical University, 01 Ton That Tung Str., Dong Da District, Hanoi, Vietnam
2. Quality Management Department, Dong Da General Hospital, 192 Nguyen Luong Bang Str., Dong Da District, Hanoi, Vietnam
3. Department of Health Management and Organization, Institute for Preventive Medicine and Public Health, Hanoi Medical University, 01 Ton That Tung Str., Dong Da District, Hanoi, Vietnam
4. Rehabilitation Center, Bach Mai Hospital, 78 Giai Phong Str., Dong Da District, Hanoi, Vietnam
5. Rehabilitation Department, Hanoi Medical University, 01 Ton That Tung Str., Dong Da District, Hanoi, Vietnam