1. Department of Emergency Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
2. Department of Thyroid Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
3. Department of Emergency, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province 210019, China