1. Department of Ultrasound Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, PR China
2. Department of Pathology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, PR China
3. Department of Nuclear Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, PR China
4. Department of Endocrinology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, PR China.