1. Chongqing Key Laboratory of Childhood Nutrition and Health, Children’s Nutrition Research Center, Children’s Hospital of Chongqing Medical University, Chongqing 400015, China
2. Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing 400015, China
3. Department of Gastroenterology, Children’s Hospital of Chongqing Medical University, Chongqing 400015, China