[1
]
Division of Injury Prevention, National Center for Chronic and Noncommunicable Disease
Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing,
PR China.
[2
]
Preventive Medicine Department, Gannan Medical University, Ganzhou, Jiangxi, PR China.
[3
]
Johns Hopkins International Injury Research Unit and Department of International Health,
Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
[4
]
Division of Injury Prevention, National Center for Chronic and Noncommunicable Disease
Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing,
PR China. Electronic address: linhong@chinawch.org.cn.