About the Authors

Ruisong Li

Affiliation Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China

Wei Xia

Affiliation Department of Children Health and Hygiene, School of Public Health, Harbin Medical University, Harbin, China

Zhihong Zhang

Affiliation Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China

Kun Wu

wukun_15000@163.com

Affiliation Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KW RL. Performed the experiments: RL WX ZZ. Analyzed the data: RL. Contributed reagents/materials/analysis tools: RL WX. Wrote the paper: RL.