[1
]Department of Epidemiology and Biostatistics, University of Georgia College of Public
Health, Athens
[2
]Department of Epidemiology, Tulane University School of Public Health and Tropical
Medicine, New Orleans, Louisiana
[3
]Ningbo Municipal Center for Disease Control and Prevention, Ningbo, China
[4
]Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
[5
]Division of Infectious Diseases and Geographic Medicine, Stanford University School
of Medicine, Stanford, California
[6
]Hangzhou Municipal Center for Disease Control and Prevention, Hangzhou, China
[7
]Health Informatics Institute, University of Georgia College of Public Health, Athens
[8
]Center for the Ecology of Infectious Diseases, University of Georgia, Athens
[9
]Renmin University of China School of Statistics, Beijing, China
[10
]Statistical Consulting Center, Renmin University of China, Beijing, China
[11
]Haishu Center for Disease Control and Prevention, Ningbo, China
[12
]Department of Health Care Administration, California State University Long Beach,
College of Health and Human Services, Long Beach
[13
]Department of Clinical Epidemiology and Tobacco Dependence Treatment Research, Beijing
Chaoyang Hospital, Beijing, China
[14
]Center for Applied Statistics, Renmin University of China, Beijing, China