1. Optical
Bioimaging Laboratory, Department of Biomedical Engineering, Faculty
of Engineering, National University of Singapore, Singapore 117576
2. Institute of Digestive Disease, Department of Gastroenterology, Zhongshan Hospital affiliated to Xiamen University, Xiamen 361004, China
3. Department
of Medicine, Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore 119260
4. Department of Pathology,
Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore 119074