1. Departments of Diagnostic Radiology, Surgery, Chemical and Biomolecular Engineering, and Biomedical Engineering Yong Loo Lin School of Medicine and Faculty of Engineering National University of Singapore Singapore 119074 Singapore
2. Key Laboratory of Molecular Biophysics of Hebei Province Institute of Biophysics School of Health Sciences and Biomedical Engineering Hebei University of Technology Tianjin 300401 P. R. China
3. Nanomedicine Translational Research Program NUS Center for Nanomedicine Yong Loo Lin School of Medicine National University of Singapore Singapore 117597 Singapore
4. Clinical Imaging Research Centre Centre for Translational Medicine Yong Loo Lin School of Medicine National University of Singapore Singapore 117599 Singapore
5. Institute of Molecular and Cell Biology Agency for Science, Technology, and Research (A*STAR) Singapore 138673 Singapore