About the Authors

Xiangnan Ren

‡ XR and ZY contributed equally to this work. SAY and XY also contributed equally to this work.

Affiliation National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 29 Nan Wei Road, Xicheng District, Beijing, 100050, China

Zhenyu Yang

‡ XR and ZY contributed equally to this work. SAY and XY also contributed equally to this work.

Affiliation National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 29 Nan Wei Road, Xicheng District, Beijing, 100050, China

Bing Shao

Affiliation Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Research Center for Preventive Medicine, 16 Hepingli Zhongjie, Dongcheng District, Beijing, 100013, China

Shi-an Yin

shianyin@126.com (SAY); xgyangcdc@vip.sina.com (XGY)

‡ XR and ZY contributed equally to this work. SAY and XY also contributed equally to this work.

Affiliation National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 29 Nan Wei Road, Xicheng District, Beijing, 100050, China

Xiaoguang Yang

shianyin@126.com (SAY); xgyangcdc@vip.sina.com (XGY)

‡ XR and ZY contributed equally to this work. SAY and XY also contributed equally to this work.

Affiliation National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 29 Nan Wei Road, Xicheng District, Beijing, 100050, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SAY ZYY XGY. Performed the experiments: XNR. Analyzed the data: XNR ZYY. Contributed reagents/materials/analysis tools: BS XGY. Wrote the paper: XNR ZYY SAY.