1. Department of Echocardiography, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s hospital, Shenzhen, China
2. Fetal Heart Disease and Maternal Fetal Medicine Research Laboratories, Department of Echocardiography, Beijing Anzhen Hospital affiliated to Capital Medical University, Beijing, China
3. Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
4. Department of Ultrasound. The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine (Shenzhen Traditional Chinese Medicine Hospital), Shenzhen, China.