1 Department of Emergency Medicine, Beijing Key Laboratory of Cardiopulmonary Cerebral Resuscitation, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
2 Department of Vascular Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China. Electronic address: lcmbs@126.com.
3 Department of Emergency Medicine, Beijing Key Laboratory of Cardiopulmonary Cerebral Resuscitation, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China. Electronic address: hhli1935@aliyun.com.