1. Department of Cardiovascular Medicine, Taiyuan Iron and Steel (Group) General Hospital, Taiyuan, 030008, Shanxi, China
2. Department of Intensive Care Unit, Shanxi Tumour Hospital, Taiyuan, 030000, Shanxi, China
3. Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, China
4. Department of Vitreoretinology, Shanxi Eye Hospital, Taiyuan, 030002, Shanxi, China