1. Institute of Acupuncture and Moxibustion, China Academy of Traditional Chinese Medicine, Beijing, People's Republic of China and Department of Psychiatry, Massachusetts General Hospital East, Charlestown, MA, and Harvard Medical School, Boston, MA
2. Department of Radiology, PLA General Hospital, Beijing, People's Republic of China
3. Department of Psychiatry, Massachusetts General Hospital East, Charlestown, MA, and Harvard Medical School, Boston, MA
4. Institute of Psychology, Chinese Academy of Science, Beijing, People's Republic of China
5. Institute of Acupuncture and Moxibustion, China Academy of Traditional Chinese Medicine, Beijing, People's Republic of China
6. Department of Physics, Capital Moral University, Beijing, People's Republic of China