1. Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health Sun Yat‐sen University Guangzhou P.R. China
2. School of Public Health Sun Yat‐sen University (North Campus) Guangzhou P.R. China
3. Department of Nutrition The 2nd Affiliated Hospital of Sun Yat‐sen University Guangzhou P.R. China
4. Huizhou 1st Maternal and Child Hospital Huizhou Guangdong P.R. China