1. National Taiwan University, Molecular Imaging Center, Taipei 10617, Taiwan
2. National Taiwan University, Molecular Imaging Center, Taipei 10617, TaiwanbWashington University in Saint Louis, Department of Biomedical Engineering, Saint Louis, Missouri 63130, United States
3. National Taiwan University, Department of Electrical Engineering and Graduate Institute of Photonics and Optoelectronics, Taipei 10617, Taiwan
4. National Taiwan University, Molecular Imaging Center, Taipei 10617, TaiwancNational Taiwan University, Department of Electrical Engineering and Graduate Institute of Photonics and Optoelectronics, Taipei 10617, TaiwandInstitute of Physics and Research Cen