1 Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, USA.
2 Mental Health Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.
3 Department of Anesthesiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.
4 Mental Health Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China. qiuhaitang2008@hotmail.com.