•Director of Nutritional Department of the Second Affiliated Hospital of Sun Yat-sen University

•Executive Director of Guangdong Nutrition Society

Deputy Chief Physician, Sun Yat-sen Memorial Hospital, Sun Yat-sen University

Deputy Director of the Department of Pediatrics of Wellem Medical Group

Chief Physician, Department of Obstetrics and Gynecology, Guangdong Provincial People's Hospital

•Deputy Director of the Department of Pediatrics of the First Affiliated Hospital of Sun Yat-sen University.

•Member of the Child Nutrition Professional Committee of Chinese Maternal and Child Health Association (CMCHA).

Director of the Department of Obstetrics, Shunde Hospital of Southern Medical University

Professor, vice director, chief physician, master supervisor from Department of Obstetrics, the Third Affiliated Hospital of Sun Yat-sen University

•Nutritional Department; Zhongshan Hospital; Fudan University (Xiamen Branch)

•Deputy Director of Xiamen Clinical Nutrition Quality Control Center