About the Authors

Jun Zhang

kli@stu.edu.cn (KL); xzwhello@hotmail.com (JZ)

Affiliation Department of Preventive Medicine, Shantou University Medical College, Shantou, Guangdong, China

Zhiwei Xv

Affiliation Department of Preventive Medicine, Shantou University Medical College, Shantou, Guangdong, China

Xuefeng Wu

Affiliation Department of Preventive Medicine, Shantou University Medical College, Shantou, Guangdong, China

Ke Li

kli@stu.edu.cn (KL); xzwhello@hotmail.com (JZ)

Affiliation Department of Preventive Medicine, Shantou University Medical College, Shantou, Guangdong, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JZ KL. Performed the experiments: JZ ZWX. Analyzed the data: JZ ZWX. Contributed reagents/materials/analysis tools: JZ XFW. Wrote the paper: JZ.