1. Department of Nuclear Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2. Seecure/Taiwan Hopax Chemicals MFG Company Ltd., Kaohsiung, Taiwan.
3. Institute of Neuroscience, National Chaio Tung University, Taipei, Taiwan.
4. Brain Research Center, National Chaio Tung University, Taipei, Taiwan.
5. Brain Research Center, School of Medicine, National Defense Medical Center Taipei, Taiwan.