Yu Xiao1,2, Na Du1,2, Ling Zong3, Shu Chen4. 1. Psychosomatic Medical Center, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China. 2. Psychosomatic Medical Center, The Fourth People's Hospital of Chengdu, Chengdu, China. 3. Department of Forensic Expertise, Zhongshan Third People's Hospital, Zhongshan, China. 4. Department of Geriatric Psychiatry, The Fourth People's Hospital of Chengdu, Chengdu, China.