1. Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
2. Intelligent Equipment Research Center, Zhuhai Institutes of Advanced Technology,Chinese Academy of Sciences, Zhuhai,Guangdong Province, China
3. Obstetric Ward Center, Shenzhen Futian District Maternity & Child Healthcare Hospital,Shenzhen, China