About the Authors

Jiaomei Yang

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China

Huizhen Qiu

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China

Pengfei Qu

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China

Ruo Zhang

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China

Lingxia Zeng

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China

Hong Yan

xjtu_yh2014@163.com

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, People’s Republic of China, Nutrition and Food Safety Engineering Research Center of Shaanxi Province, Xi’an, Shaanxi, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JY LZ HY. Performed the experiments: JY HQ PQ RZ. Analyzed the data: JY HQ. Contributed reagents/materials/analysis tools: JY HQ PQ RZ. Wrote the paper: JY LZ HY.