1. Department of Emergency, The First Affiliated Hospital of Naval Medical University, Shanghai, China.
2. Department of Emergency, The Third Affiliated Hospital of Naval Medical University, Shanghai, China.
3. Department of Vasculocardiology, The First People's Hospital of Kunshan, Suzhou, China.
4. Department of Emergency, The Second Naval Hospital of Southern Theater Command of PLA, Hainan, China.
5. Department of Orthopedic Trauma, The First Affiliated Hospital of Naval Medical University, Shanghai, China.