1. Department of Environmental Health, School of Public Health, Guangxi Medical University
2. Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University
3. Department of Surgery, Maternal and Child Health Hospital of Guangxi
4. Department of Laboratory, Affiliated Tumor Hospital of Guangxi Medical University
5. Department of Biostatistics, School of Public Health, Guangxi Medical University