1. Department of Interventional Ultrasound, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
2. Department of Ultrasound, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
3. Department of Endocrinology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
4. Department of Radiology, Shantou Central Hospital, Shantou, Guangdong, China