1. Department of Emergency Medicine, The Second Xiangya Hospital Central South University Changsha Hunan China
2. Emergency Medicine and Difficult Diseases Institute, The Second Xiangya Hospital Central South University Changsha Hunan China
3. Department of Organ Procurement Organization, The Second Xiangya Hospital Central South University Changsha Hunan China
4. Department of Ophthalmology, The Second Xiangya Hospital Central South University Changsha Hunan China
5. Department of Urinary Surgery, The Second Xiangya Hospital Central South University Changsha Hunan China
6. Department of Emergency Medicine Yueyang Central Hospital Yueyang Hunan China