1. Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
2. Department of Clinical Medicine, Quanzhou Medical College, Quanzhou, Fujian Province, China
3. Department of Endocrinology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
4. Department of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, Respirology Medicine Centre of Fujian Province, Quanzhou, Fujian Province, China
5. Department of Ultrasound, The Chenggong Hospital, Xiamen University, Xiamen, Fujian Province, China
6. Department of Ultrasound, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China