1. Department of Neurology, Affiliated Hospital of Qinghai University, 810001, Xining, Qinghai, China
2. Department of Critical Care Medicine, The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, Zhejiang, China
3. Department of Gastroenterology, Affiliated Hospital of Qinghai University, 810001, Xining, Qinghai, China