Affiliation:
1. Department of Ultrasound, Shanghai Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai, China
2. Department of Obstetrics, Shanghai Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai, China
Funder
program of science and technology commission foundation
program of health commission foundation of Changning district, Shanghai, China
The Innovative talent base project for master and doctor of Changing district, Shanghai, China
Medical PhD innovative talent base project of Changning district, Shanghai, China