Affiliations

• ¹Fujian Provincial Key Laboratory of Environment Factors and Cancer, Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China.
• ²Department of Public Health, Nagasaki Prefectural Institute of Environment and Public Health, Nagasaki, Japan.
• ³Department of International Health, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan.
• ⁴Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
• ⁵Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia.
• ⁶Department of Virology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan.