1. Department of Clinical Nutrition, Shengjing Hospital of China Medical University, Shenyang 110004, P. R. China
2. Editorial Department of International Journal of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, P. R. China
3. Sinopharm Xingsha Pharmaceuticals Co., Ltd., Fujian Xiamen 361000, P. R. China