1. Department of Ultrasound, Dongguan People’s Hospital Affiliated to Southern Medical University, No. 3 New Valley Chung Wan Road South, Wanjiang District, Dongguan, 523059, Guangdong, China
2. The Third Affiliated Hospital, Center for DAMP Biology, Key Laboratory for Major Obstetrics Diseases of Guangdong Province, Key Laboratory of Protein Modification and Degradation Laboratory of Guangdong Higher Education Institutes, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 510510, China
3. Department of Ultrasound, the First Affliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510120, China