Personal resume: Zhang Gaodong, male, born in October 1956, graduated from Chongqing Medical University with a bachelor's degree in pediatrics. He began work in August 1975, and is currently the chief physician of pediatrics.

Medical treatment field and expertise: He has been engaged in pediatrics, child health and women and children's health care for 33 years. He has substantial clinical experience in the diagnosis and treatment of children's "four diseases" (rickets, diarrhea, pediatric anemia, pediatric pneumonia), abnormal child developmental, child nutrition disorders and difficulty in feeding.

Participation topics, published papers and monographs: He has hosted or participated in three projects and published more than 10 papers, including one CSCD core paper.