1. Mental Health Center, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530007, P.R. China
2. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
3. Department of Neurology, The First People's Hospital of Nanning, Nanning, Guangxi 530022, P.R. China
4. Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China