1. Department of Endocrinology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong
2. Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong
3. Department of Endoscopic Outpatient Operating Room, Affiliated Hospital of Weifang Medical University, Weifang, Shandong
4. Vascular Intervention Department, Affiliated Hospital of Weifang Medical University, Weifang, Shandong