1. Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
2. Department of General Medicine, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan 453100, P.R. China
3. Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
4. Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan 453100, P.R. China
5. Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
6. Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China