1. Department of Neurosurgery, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06520, USA.
2. Department of Neurosurgery, Xiangya Hospital, Xiangya Hospital, Central South University, 87 Xiangya Street, Changsha, Hunan 410008, China.
3. Emergency Department, Xiangya Hospital, Central South University, 87 Xiangya Street, Changsha, Hunan 410008, China.
4. Department of Cellular and Molecular Physiology, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06520, USA.