1. Institute of Brain Science, National Yang-Ming University School of Medicine, Taipei, Taiwan
2. Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan
3. Endoscopy Center for Diagnosis and Treatment, Taipei Veterans General Hospital, Taipei, Taiwan
4. Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
5. G Oppenheimer Center for Neurobiology of Stress and Resilience (CNSR), David Geffen School of Medicine at UCLA, Los Angeles, CA, USA