1. Department of Emergency Medicine, Affiliated Hospital of Nantong University, No. 20 Xisi Road, Chongchuan District, Nantong City, Jiangsu Province 226001, China
2. Department of Trauma Center, Affiliated Hospital of Nantong University, Nantongy, Jiangsu Province 226001, China
3. Department of Orthopaedics, Qidong Hospital of Traditional Chinese Medicine, Nantong City, Jiangsu Province 226200, China
4. Department of General Practice Medicine, Affiliated Hospital of Nantong University, Nantong City, Jiangsu Province 226001, China
5. Department of Endoscopic Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province 226001, China