1. Emergency Department The Peking University Third Hospital Beijing China
2. Emergency Department West China Hospital Chengdu City China
3. Emergency Department Zhongshan HospitalFudan University Shanghai China
4. Emergency Department The First Affiliated Hospital of China Medical University Shenyang China
5. Emergency Department Second Xiangya HospitalCentral South University Changsha China
6. Emergency Department Peking University Shenzhen Hospital Shenzhen City China
7. Emergency Department Peking University First Hospital Beijing China
8. Emergency Department The Affiliated Hospital of Innor Mongolia Medical University Huherhaote City China
9. Emergency Department China‐Japan Friendship Hospital Beijing China