1. Department of Intensive Care Unit, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan
2. Department of Graduate School
3. Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin
4. Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
5. Department of Orthopaedic Surgery, Beijing Jishuitan Hospital, Fourth Clinical College of Peking University, Beijing, People’s Republic of China