1. Heart Center and Institute of Pediatrics (W.C., D.X., C.Z., R.L., Y.L., Y.Z., W.D., Q.W., D.W., J.G., J.W., J.D.), Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, China.
2. Institute Pasteur of Shanghai, Chinese Academy of Science, Shanghai (D.X.).
3. School of Medicine‚ South China University of Technology, Guangzhou (F.L., J.D.).
4. Pathology Department, The Third Affiliated Hospital of Guangzhou Medical University, China (H.Y.).
5. Department of Ultrasonography (W.S., H.Y.), Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, China.
6. Radiology Department (X.Z.), Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, China.