About the Authors
- Zhengfa Liao
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Affiliation Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China
- Hao Tang
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Affiliation Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China
- Xiaojia Xu
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Affiliation Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China
- Yaping Liang
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Affiliation Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China
- Yongzhen Xiong
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Affiliation School Clinic, Guangdong Medical University, Dongguan, China
- Jindong Ni
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* E-mail: david3847@sina.com
Affiliation Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JDN. Analyzed the data: XJX YPL HT. Contributed reagents/materials/analysis tools: YZX. Wrote the paper: ZFL.