Yu Xiaodan, Chief Physician, Director of the Department of Developmental and Behavioral Pediatrics Main Research Directions: Childhood nutrition and neurodevelopmental disorders. Specializes in the diagnosis and treatment of attention deficit hyperactivity disorder, autism spectrum disorder, tic disorder, learning difficulties, childhood feeding difficulties, food allergies, and malnutrition. Chief Scientist of the National Key Research and Development Program, Shanghai Leading Talent. Deputy Head of the Child Health Group of the Pediatrics Branch of the Chinese Medical Association, Vice Chair of the Allergy Committee of the Chinese Research Hospital Association and Head of the Pediatric Allergy Group, Chair of the Life Early Health Promotion Committee of the China Maternal and Child Health Association, Head of the Developmental and Behavioral Group of the Pediatrics Branch of the Shanghai Medical Association, Council Member of the Shanghai Trace Element Society and Chair of the Clinical Medicine Professional Committee, and Member of the Maternal and Child Nutrition Branch of the Chinese Nutrition Society. Has successively led 6 national-level projects, including the National Key Research and Development Program, the National Major Difficult and Complex Diseases Integrated Chinese and Western Medicine Collaboration Project, and the National Natural Science Foundation, as well as over 10 provincial and ministerial-level projects. Has published more than 80 papers as first or corresponding author, and has been selected for the "Top 100 International Academic Influence of Chinese Pediatric Internal Medicine Experts." Has edited or co-edited 6 monographs. Received the Second Prize of the Shanghai Science and Technology Award for Scientific and Technological Progress, the Third Prize of the Natural Science Award of the Maternal and Child Health Science and Technology Award, and the Seventh Soong Ching Ling Pediatric Medicine Achievement Award.