1. Department of Life Science, National Taiwan Normal University, Taipei 11677, Taiwan
2. Department of Neurology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 33302, Taiwan
3. Department of Chemistry, National Taiwan Normal University, Taipei 11677, Taiwan
4. Medical Imaging Research Center, Institute for Radiological Research, Chang Gung University/Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan